LocalFit

Apple M5 Ultra (80-core GPU), 512 GB: which models fit?

Apple Silicon Mac

Apple M5 Ultra (80-core GPU), 512 GB Not shipping yet

Memory512 GB unifiedBandwidth1,200 GB/s derivedPlanned for models384 GiB 75% of unified memoryFilesMLX Apple MLX format

Editorial pick · 512 GB MacsQwen3.8-27B MLX 8-bit All picks

Context
Files

Budget = file + KV cache + 1 GiB runtime + 0.5 GiB spare. Macs: 75% of memory. Details

46 models fit M5 Ultra 80c GPU · 512 GB · 8K context

Ranked by Artificial Analysis Intelligence Index, unranked models last. Arena is shown separately. How ranking works

Intelligence

Artificial Analysis Intelligence Index · top 10 models that fit M5 Ultra 80c GPU · 512 GB · higher is better

  1. Qwen3.8-27B33.7
  2. NVIDIA Nemotron 3.5 Super VL 120B-A12B26.5
  3. Inkling-Small25.7
  4. Solar Open 2 (250B-A15B)24.7
  5. NVIDIA Nemotron 3 Ultra 550B-A55B22.9
  6. G9v3-39A5B (preview)21.8
  7. Qwen3.5-397B-A17B21.4
  8. NVIDIA Nemotron 3.5 Bolt 74B-A9B21.4
  9. K2-Horizon-7B20.6
  10. Qwen3.6-35B-A3B18.2

AA estimate

Generation speed

Tokens per second on M5 Ultra 80c GPU · 512 GB, best file for each of the same models · higher is better

  1. G9v3-39A5B (preview)~140
  2. Qwen3.6-35B-A3B~127
  3. K2-Horizon-7B~103
  4. Inkling-Small~61.4
  5. NVIDIA Nemotron 3.5 Super VL 120B-A12B~59.1
  6. Qwen3.5-397B-A17B~42.8
  7. NVIDIA Nemotron 3.5 Bolt 74B-A9B~42
  8. Qwen3.8-27B~33.5
  9. Solar Open 2 (250B-A15B)~25.7
  10. NVIDIA Nemotron 3 Ultra 550B-A55B~13.3

MeasuredEstimated (~)

WeightsKV cacheRuntimeFreeMeasuredlinks to its sourceEstimatedshown with ~Unknownnever zero
  1. 1

    Qwen3.8-27B

    Qwen/Qwen3.8-27B

    2026-08-1427B dense

    AA index33.7rank #13
    Arena1,441
    Best file & memory
    MLX 8-bit27.5 GiB fileFits · conditional
    29.0 of 384 GiB+8K ctx · max ≈256K
    Prompt~1,877 t/sEstimated
    Generate~33.5 t/sEstimated
    First token · 4K prompt~2.2 sEstimated

    Memory budget

    Weights file27.48 GiBmlx-community/Qwen3.8-27B-8bit · 6 files HF files
    KV cache · 8K0.50 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted28.98 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 15.0 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 27.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 33.7 Qwen3.8 27B (Xhigh) · Arena 1,441 · Model page

  2. 2

    NVIDIA Nemotron 3.5 Super VL 120B-A12B

    nvidia/NVIDIA-Nemotron-3.5-Super-VL-120B-A12B-BF16

    2026-10-15120B · 12B active

    AA index26.5rank #19
    Arena1,409
    Best file & memory
    MLX 4-bit64.6 GiB fileFits · conditional
    65.7 of 384 GiB+8K ctx · max ≈1M
    Prompt~861 t/sEstimated
    Generate~59.1 t/sEstimated
    First token · 4K prompt~4.8 sEstimated

    Memory budget

    Weights file64.65 GiBDuckets/NVIDIA-Nemotron-3.5-Super-VL-120B-A12B-MLX-4bit · 14 files HF files
    KV cache · 8K0.06 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted65.71 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈1M tokens (native 1M).

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 6.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Sliding-window allocation is not established.
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 26.5 Nemotron 3.5 Super VL · Arena 1,409 · Model page

  3. 3

    Inkling-Small

    thinkingmachines/Inkling-Small

    2026-07-30276B · 12B active

    AA index25.7rank #21
    Arena1,413
    Best file & memory
    MLX 4-bit143 GiB fileFits · conditional
    144 of 384 GiB+8K ctx · max ≈1M
    Prompt~861 t/sEstimated
    Generate~61.4 t/sEstimated
    First token · 4K prompt~4.8 sEstimated

    Memory budget

    Weights file143 GiBmlx-community/Inkling-Small-mlx-4bit · 30 files HF files
    KV cache · 8K0.29 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted144 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈1M tokens (native 1M).

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 6.2 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 25.7 Inkling Small · Arena 1,413 · Model page

  4. 4

    Solar Open 2 (250B-A15B)

    upstage/Solar-Open2-250B

    2026-07-22250B · 15B active

    AA index24.7 AA estimaterank #25
    Arena—
    Best file & memory
    MLX 8-bit248 GiB fileFits · conditional
    249 of 384 GiB+8K ctx · max ≈1M
    Prompt~689 t/sEstimated
    Generate~25.7 t/sEstimated
    First token · 4K prompt~5.9 sEstimated

    Memory budget

    Weights file248 GiBTensorFold/Solar-Open2-250B-MLX-8bit · 62 files HF files
    KV cache · 8K0.38 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted249 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈1M tokens (native 1M).

    Other MLX files

    • MLX 4-bit 131 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 14.9 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Sliding-window allocation is not established.
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 24.7 AA estimate Solar Open2 250B · Arena unknown · Model page

  5. 5

    NVIDIA Nemotron 3 Ultra 550B-A55B

    nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

    2026-06-04550B · 55B active

    AA index22.9rank #27
    Arena1,445
    Best file & memory
    MLX 4-bit288 GiB fileFits · conditional
    289 of 384 GiB+8K ctx · max ≈256K
    Prompt~188 t/sEstimated
    Generate~13.3 t/sEstimated
    First token · 4K prompt~22 sEstimated

    Memory budget

    Weights file288 GiBpipenetwork/NVIDIA-Nemotron-3-Ultra-550B-A55B-MLX-4bit · 96 files HF files
    KV cache · 8K0.09 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted289 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 8-bit 544 GiB · too big · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 28.8 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Sliding-window allocation is not established.
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 22.9 Nemotron 3 Ultra 550B A55B (Reasoning) · Arena 1,445 · Model page

  6. 6

    G9v3-39A5B (preview)

    ai9stars/G9v3-39A5B

    2026-08 (day unknown)39B · 5B active

    AA index21.8 AA estimaterank #29
    Arena—
    Best file & memory
    MLX 4-bit21.2 GiB fileFits
    22.5 of 384 GiB8K ctx · max ≈128K
    Prompt~2,067 t/sEstimated
    Generate~140 t/sEstimated
    First token · 4K prompt~2.0 sEstimated

    Memory budget

    Weights file21.24 GiBrapid-mlx/G9v3-39A5B-MLX-4bit · 5 files HF files
    KV cache · 8K0.30 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted22.53 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 2.7 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 21.8 AA estimate G9v3-39A5B · Arena unknown · Model page

  7. 7

    Qwen3.5-397B-A17B

    Qwen/Qwen3.5-397B-A17B

    2026-02-16397B · 17B active

    AA index21.4 AA estimaterank #31
    Arena1,438
    Best file & memory
    MLX 4-bit208 GiB fileFits · conditional
    210 of 384 GiB+8K ctx · max ≈256K
    Prompt~608 t/sEstimated
    Generate~42.8 t/sEstimated
    First token · 4K prompt~6.7 sEstimated

    Memory budget

    Weights file208 GiBmlx-community/Qwen3.5-397B-A17B-4bit · 46 files HF files
    KV cache · 8K0.23 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted210 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 8-bit 393 GiB · too big · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 8.9 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 21.4 AA estimate Qwen3.5 397B A17B (Non-reasoning) · Arena 1,438 · Model page

  8. 8

    NVIDIA Nemotron 3.5 Bolt 74B-A9B

    nvidia/NVIDIA-Nemotron-3.5-Bolt-74B-A9B-BF16

    2026-10-1574B · 9B active

    AA index21.4rank #32
    Arena—
    Best file & memory
    MLX 8-bit74.7 GiB fileFits · conditional
    75.8 of 384 GiB+8K ctx · max ≈256K
    Prompt~1,148 t/sEstimated
    Generate~42 t/sEstimated
    First token · 4K prompt~3.6 sEstimated

    Memory budget

    Weights file74.72 GiBnativ-community/NVIDIA-Nemotron-3.5-Bolt-74B-A9B-8bit · 17 files HF files
    KV cache · 8K0.06 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted75.79 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 40.3 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 9.1 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Sliding-window allocation is not established.
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 21.4 Nemotron 3.5 Bolt 74B-A9B · Arena unknown · Model page

  9. 9

    K2-Horizon-7B

    IFM/K2-Horizon-7B

    2026-09-03size unknown

    AA index20.6rank #33
    Arena—
    Best file & memory
    MLX 8-bit8.9 GiB fileFits
    11.0 of 384 GiB8K ctx · max ≈512K
    Prompt—Unknown
    Generate~103 t/sEstimated
    First token · 4K prompt—Unknown

    Memory budget

    Weights file8.91 GiBmlx-community/K2-Horizon-7B-8bit · 2 files HF files
    KV cache · 8K1.13 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted11.03 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈512K tokens (native 512K).

    Other MLX files

    • MLX 4-bit 6.7 GiB · fits · files

    Where the speeds come from

    • Prompt unknown: no measured report, and no comparable vendor FP16 figure or device calibration.
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 8.9 GiB read per token.
    • First token unknown: needs a prefill value.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 20.6 K2 Horizon 7B · Arena unknown · Model page

  10. 10

    Qwen3.6-35B-A3B

    Qwen/Qwen3.6-35B-A3B

    2026-04-1635B · 3B active

    AA index18.2rank #36
    Arena—
    Best file & memory
    MLX 8-bit35.1 GiB fileFits · conditional
    36.3 of 384 GiB+8K ctx · max ≈256K
    Prompt~3,445 t/sEstimated
    Generate~127 t/sEstimated
    First token · 4K prompt~1.2 sEstimated

    Memory budget

    Weights file35.13 GiBmlx-community/Qwen3.6-35B-A3B-8bit · 8 files HF files
    KV cache · 8K0.16 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted36.29 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 19.0 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.0 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 18.2 Qwen3.6 35B A3B (Reasoning) · Arena unknown · Model page

  11. 11

    Qwen3.5-122B-A10B

    Qwen/Qwen3.5-122B-A10B

    2026-02-24122B · 10B active

    AA index17.7 AA estimaterank #37
    Arena1,417
    Best file & memory
    MLX 8-bit122 GiB fileFits · conditional
    123 of 384 GiB+8K ctx · max ≈256K
    Prompt~1,034 t/sEstimated
    Generate~38.3 t/sEstimated
    First token · 4K prompt~4.0 sEstimated

    Memory budget

    Weights file122 GiBmlx-community/Qwen3.5-122B-A10B-8bit · 25 files HF files
    KV cache · 8K0.19 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted123 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 64.8 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 10.0 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 17.7 AA estimate Qwen3.5 122B A10B (Non-reasoning) · Arena 1,417 · Model page

  12. 12

    Muse Glimmer 30B

    meta-models/Muse-Glimmer-30B

    2026-08-1030B dense

    AA index17.5rank #38
    Arena1,389
    Best file & memory
    MLX 8-bit31.1 GiB fileFits
    32.3 of 384 GiB8K ctx · max ≈128K
    Prompt~1,712 t/sEstimated
    Generate~29.6 t/sEstimated
    First token · 4K prompt~2.4 sEstimated

    Memory budget

    Weights file31.08 GiBmlx-community/Muse-Glimmer-30B-8bit · 153 files HF files
    KV cache · 8K0.18 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted32.26 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Other MLX files

    • MLX 4-bit 18.1 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 31.1 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 17.5 Muse Glimmer (High) · Arena 1,389 · Model page

  13. 13

    K2-Horizon-3.7B

    IFM/K2-Horizon-3.7B

    2026-09-03size unknown

    AA index15.6rank #41
    Arena—
    Best file & memory
    MLX 8-bit5.0 GiB fileFits
    7.1 of 384 GiB8K ctx · max ≈512K
    Prompt—Unknown
    Generate~184 t/sEstimated
    First token · 4K prompt—Unknown

    Memory budget

    Weights file5.01 GiBmlx-community/K2-Horizon-3.7B-8bit · 2 files HF files
    KV cache · 8K1.13 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted7.13 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈512K tokens (native 512K).

    Other MLX files

    • MLX 4-bit 3.9 GiB · fits · files

    Where the speeds come from

    • Prompt unknown: no measured report, and no comparable vendor FP16 figure or device calibration.
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 5.0 GiB read per token.
    • First token unknown: needs a prefill value.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 15.6 K2 Horizon 3.7B · Arena unknown · Model page

  14. 14

    Mistral Medium 3.5 (128B dense)

    mistralai/Mistral-Medium-3.5-128B

    2026-04-28128B dense

    AA index14.2rank #43
    Arena1,421
    Best file & memory
    MLX 4-bit72.6 GiB fileFits · conditional
    76.4 of 384 GiB+8K ctx · max ≈256K
    Prompt~396 t/sEstimated
    Generate~12.7 t/sEstimated
    First token · 4K prompt~10 sEstimated

    Memory budget

    Weights file72.65 GiBmlx-community/Mistral-Medium-3.5-128B-4bit · 15 files HF files
    KV cache · 8K2.75 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted76.40 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 72.6 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 14.2 Mistral Medium 3.5 · Arena 1,421 · Model page

  15. 15

    Qwen3.5-9B

    Qwen/Qwen3.5-9B

    2026-03-029B dense

    AA index13.3 AA estimaterank #45
    Arena—
    Best file & memory
    MLX 8-bit9.7 GiB fileFits · conditional
    11.0 of 384 GiB+8K ctx · max ≈256K
    Prompt~5,631 t/sEstimated
    Generate~94.7 t/sEstimated
    First token · 4K prompt~727 msEstimated

    Memory budget

    Weights file9.71 GiBmlx-community/Qwen3.5-9B-8bit · 2 files HF files
    KV cache · 8K0.25 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted10.96 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 5.5 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 9.7 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 13.3 AA estimate Qwen3.5 9B (Non-reasoning) · Arena unknown · Model page

  16. 16

    Qwen3.5-4B

    Qwen/Qwen3.5-4B

    2026-03-024B dense

    AA index13.1 AA estimaterank #48
    Arena—
    Best file & memory
    MLX 8-bit4.8 GiB fileFits · conditional
    6.0 of 384 GiB+8K ctx · max ≈256K
    Prompt~12,670 t/sEstimated
    Generate~192 t/sEstimated
    First token · 4K prompt~323 msEstimated

    Memory budget

    Weights file4.78 GiBmlx-community/Qwen3.5-4B-8bit HF files
    KV cache · 8K0.25 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted6.03 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 2.8 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 4.8 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 13.1 AA estimate Qwen3.5 4B (Reasoning) · Arena unknown · Model page

  17. 17

    NVIDIA Nemotron 3.5 Lightning 30B-A3B

    nvidia/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-BF16

    2026-08-1130B · 3B active

    AA index12.9rank #49
    Arena1,329
    Best file & memory
    MLX 8-bit31.3 GiB fileFits · conditional
    32.3 of 384 GiB+8K ctx · max ≈256K
    Prompt~3,445 t/sEstimated
    Generate~122 t/sEstimated
    First token · 4K prompt~1.2 sEstimated

    Memory budget

    Weights file31.26 GiBmlx-community/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-8bit · 7 files HF files
    KV cache · 8K0.05 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted32.30 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 16.6 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.1 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 12.9 Nemotron 3.5 Lightning · Arena 1,329 · Model page

  18. 18

    IBM Granite 4.2 30B

    ibm-granite/granite-4.2-30b

    2026-08-2530B dense

    AA index12.7rank #50
    Arena1,361
    Best file & memory
    MLX 8-bit29.0 GiB fileFits
    32.0 of 384 GiB8K ctx · max ≈128K
    Prompt~1,689 t/sEstimated
    Generate~31.8 t/sEstimated
    First token · 4K prompt~2.4 sEstimated

    Memory budget

    Weights file28.97 GiBlmstudio-community/granite-4.2-30b-MLX-8bit · 6 files HF files
    KV cache · 8K2.00 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted31.97 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Other MLX files

    • MLX 4-bit 15.3 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 29.0 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 12.7 Granite 4.2 30B · Arena 1,361 · Model page

  19. 19

    MiniCPM5-2B

    openbmb/MiniCPM5-2B

    2026-09-072.5B dense

    AA index12.5rank #51
    Arena—
    Best file & memory
    MLX 8-bit2.5 GiB fileFits
    3.8 of 384 GiB8K ctx · max ≈128K
    Prompt~20,137 t/sEstimated
    Generate~369 t/sEstimated
    First token · 4K prompt~203 msEstimated

    Memory budget

    Weights file2.49 GiBmlx-community/MiniCPM5-2B-8bit HF files
    KV cache · 8K0.33 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted3.82 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Other MLX files

    • MLX 4-bit 1.3 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 2.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 12.5 MiniCPM5-2B · Arena unknown · Model page

  20. 20

    Nemotron Cascade 2 30B A3B

    nvidia/Nemotron-Cascade-2-30B-A3B

    2026-03-1930B · 3B active

    AA index11.7 AA estimaterank #53
    Arena—
    Best file & memory
    MLX 8-bit31.3 GiB fileFits · conditional
    32.3 of 384 GiB+8K ctx · max ≈256K
    Prompt~3,445 t/sEstimated
    Generate~122 t/sEstimated
    First token · 4K prompt~1.2 sEstimated

    Memory budget

    Weights file31.26 GiBmlx-community/Nemotron-Cascade-2-30B-A3B-8bit · 7 files HF files
    KV cache · 8K0.05 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted32.30 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 16.6 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.1 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 11.7 AA estimate Nemotron Cascade 2 30B A3B · Arena unknown · Model page

  21. 21

    Granite 4.2 8B

    ibm-granite/granite-4.2-8b

    2026-08-258B dense

    AA index11.1rank #56
    Arena1,320
    Best file & memory
    MLX 8-bit8.7 GiB fileFits
    10.9 of 384 GiB8K ctx · max ≈128K
    Prompt~6,335 t/sEstimated
    Generate~106 t/sEstimated
    First token · 4K prompt~647 msEstimated

    Memory budget

    Weights file8.70 GiBlmstudio-community/granite-4.2-8b-MLX-8bit · 2 files HF files
    KV cache · 8K1.25 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted10.95 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Other MLX files

    • MLX 4-bit 4.6 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 8.7 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 11.1 Granite 4.2 8B · Arena 1,320 · Model page

  22. 22

    G9v3-3B

    AI9Stars/G9v3-3B

    2026-07 (day unknown)3B dense

    AA index10.8 AA estimaterank #58
    Arena—
    Best file & memory
    MLX 4-bit1.6 GiB fileFits
    3.0 of 384 GiB8K ctx · max ≈128K
    Prompt~16,893 t/sEstimated
    Generate~587 t/sEstimated
    First token · 4K prompt~242 msEstimated

    Memory budget

    Weights file1.57 GiBcof139/G9v3-3B-mlx-4Bit HF files
    KV cache · 8K0.41 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted2.97 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 1.6 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 10.8 AA estimate G9v3-3B · Arena unknown · Model page

  23. 23

    Trinity-Large-Thinking

    arcee-ai/Trinity-Large-Thinking

    2026-04-01398B · 13B active

    AA index10.8rank #59
    Arena—
    Best file & memory
    MLX 4-bit209 GiB fileFits · conditional
    211 of 384 GiB+8K ctx · max ≈256K
    Prompt~795 t/sEstimated
    Generate~56 t/sEstimated
    First token · 4K prompt~5.2 sEstimated

    Memory budget

    Weights file209 GiBmlx-community/Trinity-Large-Thinking-4bit · 47 files HF files
    KV cache · 8K1.17 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted211 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 8-bit 394 GiB · too big · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 6.8 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 10.8 Trinity Large Thinking · Arena unknown · Model page

  24. 24

    North Mini Code

    CohereLabs/North-Mini-Code-1.0

    2026-06-0930B · 3B active

    AA index9.9rank #61
    Arena—
    Best file & memory
    MLX 8-bit31.0 GiB fileFits
    32.5 of 384 GiB8K ctx · max ≈250K
    Prompt~3,445 t/sEstimated
    Generate~123 t/sEstimated
    First token · 4K prompt~1.2 sEstimated

    Memory budget

    Weights file30.98 GiBaaronmwelborn/North-Mini-Code-1.0-8bit · 7 files HF files
    KV cache · 8K0.48 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted32.47 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈250K tokens (native 250K).

    Other MLX files

    • MLX 4-bit 17.2 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.1 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 9.9 North Mini Code · Arena unknown · Model page

  25. 25

    Qwen3-Coder-Next

    Qwen/Qwen3-Coder-Next

    2026-02-0280B · 3B active

    AA index9.2rank #63
    Arena—
    Best file & memory
    MLX 8-bit78.8 GiB fileFits · conditional
    80.0 of 384 GiB+8K ctx · max ≈256K
    Prompt~3,445 t/sEstimated
    Generate~129 t/sEstimated
    First token · 4K prompt~1.2 sEstimated

    Memory budget

    Weights file78.84 GiBmlx-community/Qwen3-Coder-Next-8bit · 17 files HF files
    KV cache · 8K0.19 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted80.03 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 41.8 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.0 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 9.2 Qwen3 Coder Next · Arena unknown · Model page

  26. 26

    Granite 4.2 3B

    ibm-granite/granite-4.2-3b

    2026-08-253B dense

    AA index9.1rank #64
    Arena1,293
    Best file & memory
    MLX 8-bit3.6 GiB fileFits
    5.2 of 384 GiB8K ctx · max ≈128K
    Prompt~16,893 t/sEstimated
    Generate~254 t/sEstimated
    First token · 4K prompt~242 msEstimated

    Memory budget

    Weights file3.62 GiBlmstudio-community/granite-4.2-3b-MLX-8bit HF files
    KV cache · 8K0.63 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted5.25 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Other MLX files

    • MLX 4-bit 1.9 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 3.6 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 9.1 Granite 4.2 3B · Arena 1,293 · Model page

  27. 27

    MiniCPM5-1B

    openbmb/MiniCPM5-1B

    2026-05-191.1B dense

    AA index8.8 AA estimaterank #67
    Arena—
    Best file & memory
    MLX 8-bit1.1 GiB fileFits
    2.3 of 384 GiB8K ctx · max ≈128K
    Prompt~46,898 t/sEstimated
    Generate~860 t/sEstimated
    First token · 4K prompt~87 msEstimated

    Memory budget

    Weights file1.07 GiBmlx-community/MiniCPM5-1B-8bit HF files
    KV cache · 8K0.19 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted2.26 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Other MLX files

    • MLX 4-bit 0.6 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 1.1 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 8.8 AA estimate MiniCPM5-1B (Reasoning) · Arena unknown · Model page

  28. 28

    Nanbeige4.1-3B

    Nanbeige/Nanbeige4.1-3B

    2026-02 (day unknown)3B dense

    AA index8.4 AA estimaterank #69
    Arena—
    Best file & memory
    MLX 8-bit3.9 GiB fileFits
    5.4 of 384 GiB8K ctx · max ≈256K
    Prompt~16,893 t/sEstimated
    Generate~236 t/sEstimated
    First token · 4K prompt~242 msEstimated

    Memory budget

    Weights file3.89 GiBmlx-community/Nanbeige4.1-3B-8bit HF files
    KV cache · 8K0.50 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted5.39 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 2.1 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 3.9 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 8.4 AA estimate Nanbeige4.1-3B · Arena unknown · Model page

  29. 29

    LFM2.5-2.6B

    LiquidAI/LFM2.5-2.6B

    2026-08-042.7B dense

    AA index8.4 AA estimaterank #70
    Arena—
    Best file & memory
    MLX 8-bit2.7 GiB fileFits · conditional
    3.8 of 384 GiB+8K ctx · max ≈128K
    Prompt~18,840 t/sEstimated
    Generate~345 t/sEstimated
    First token · 4K prompt~217 msEstimated

    Memory budget

    Weights file2.67 GiBLiquidAI/LFM2.5-2.6B-MLX-8bit HF files
    KV cache · 8K0.13 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted3.79 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Other MLX files

    • MLX 4-bit 1.5 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 2.7 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 8.4 AA estimate LFM2.5-2.6B · Arena unknown · Model page

  30. 30

    Falcon-H1R-7B

    tiiuae/Falcon-H1R-7B

    2026-01-057B dense

    AA index7.8 AA estimaterank #71
    Arena—
    Best file & memory
    MLX 8-bit7.5 GiB fileFits · conditional
    8.9 of 384 GiB+8K ctx · max ≈256K
    Prompt~7,240 t/sEstimated
    Generate~123 t/sEstimated
    First token · 4K prompt~566 msEstimated

    Memory budget

    Weights file7.51 GiBmlx-community/Falcon-H1R-7B-8bit · 2 files HF files
    KV cache · 8K0.34 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted8.85 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 4.0 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 7.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 7.8 AA estimate Falcon-H1R-7B · Arena unknown · Model page

  31. 31

    LFM2.5-8B-A1B

    LiquidAI/LFM2.5-8B-A1B

    2026-05-288.3B · 1.5B active

    AA index7.2 AA estimaterank #74
    Arena—
    Best file & memory
    MLX 8-bit8.4 GiB fileFits · conditional
    9.5 of 384 GiB+8K ctx · max ≈125K
    Prompt~6,890 t/sEstimated
    Generate~252 t/sEstimated
    First token · 4K prompt~594 msEstimated

    Memory budget

    Weights file8.38 GiBLiquidAI/LFM2.5-8B-A1B-MLX-8bit · 2 files HF files
    KV cache · 8K0.09 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted9.48 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈125K tokens (native 125K).

    Other MLX files

    • MLX 4-bit 4.5 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 1.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 7.2 AA estimate LFM2.5-8B-A1B · Arena unknown · Model page

  32. 32

    NVIDIA Nemotron 3 Nano 4B

    nvidia/NVIDIA-Nemotron-3-Nano-4B-BF16

    2026-03-164B dense

    AA index4.8rank #75
    Arena—
    Best file & memory
    MLX 8-bit3.9 GiB fileFits · conditional
    5.1 of 384 GiB+8K ctx · max ≈256K
    Prompt~12,766 t/sEstimated
    Generate~234 t/sEstimated
    First token · 4K prompt~321 msEstimated

    Memory budget

    Weights file3.93 GiBmlx-community/NVIDIA-Nemotron-3-Nano-4B-8bit HF files
    KV cache · 8K0.13 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted5.06 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 2.1 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 3.9 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 4.8 NVIDIA Nemotron 3 Nano 4B · Arena unknown · Model page

  33. 33

    LFM2.5-24B-A2B

    LiquidAI/LFM2.5-24B-A2B

    2026-10-1324B · 2B active

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit23.7 GiB fileFits · conditional
    24.9 of 384 GiB+8K ctx · max ≈128K
    Prompt~5,168 t/sEstimated
    Generate~193 t/sEstimated
    First token · 4K prompt~793 msEstimated

    Memory budget

    Weights file23.73 GiBLiquidAI/LFM2.5-24B-A2B-MLX-8bit · 5 files HF files
    KV cache · 8K0.16 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted24.89 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Other MLX files

    • MLX 4-bit 12.6 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 2.0 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  34. 34

    MiniCPM-V 4.7 35B-A3B

    openbmb/MiniCPM-V-4.7-35B-A3B

    2026-10-1235B · 3B active

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit37.1 GiB fileFits · conditional
    38.3 of 384 GiB+8K ctx · max ≈256K
    Prompt~3,445 t/sEstimated
    Generate~120 t/sEstimated
    First token · 4K prompt~1.2 sEstimated

    Memory budget

    Weights file37.10 GiBmlx-community/MiniCPM-V-4.7-35B-A3B-8bit · 8 files HF files
    KV cache · 8K0.16 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted38.25 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 21.9 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.2 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  35. 35

    Aleph Alpha Kolibri-1

    Aleph-Alpha/Kolibri-1

    2026-10-0378B · 3.5B active

    AA index—unranked
    Arena—
    Best file & memory
    MLX 4-bit41.3 GiB fileFits · conditional
    42.5 of 384 GiB+8K ctx · max ≈256K
    Prompt~2,987 t/sEstimated
    Generate~208 t/sEstimated
    First token · 4K prompt~1.4 sEstimated

    Memory budget

    Weights file41.29 GiBvelaia/Kolibri-1-MLX-4bit · 9 files HF files
    KV cache · 8K0.20 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted42.48 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 1.8 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  36. 36

    MiMo-V2.6-Distill-Qwen-9B

    XiaomiMiMo/MiMo-V2.6-Distill-Qwen-9B

    2026-09-229B dense

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit9.7 GiB fileFits · conditional
    11.0 of 384 GiB+8K ctx · max ≈256K
    Prompt~5,631 t/sEstimated
    Generate~94.7 t/sEstimated
    First token · 4K prompt~727 msEstimated

    Memory budget

    Weights file9.71 GiBnativ-community/MiMo-V2.6-Distill-Qwen-9B-MLX-8bit · 2 files HF files
    KV cache · 8K0.25 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted10.96 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 5.5 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 9.7 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  37. 37

    K2-Horizon-0.9B

    IFM/K2-Horizon-0.9B

    2026-09-03size unknown

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit1.1 GiB fileFits
    2.5 of 384 GiB8K ctx · max ≈128K
    Prompt—Unknown
    Generate~862 t/sEstimated
    First token · 4K prompt—Unknown

    Memory budget

    Weights file1.07 GiBmlx-community/K2-Horizon-0.9B-8bit HF files
    KV cache · 8K0.44 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Accounted2.50 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈128K tokens (native 128K).

    Other MLX files

    • MLX 4-bit 0.8 GiB · fits · files

    Where the speeds come from

    • Prompt unknown: no measured report, and no comparable vendor FP16 figure or device calibration.
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 1.1 GiB read per token.
    • First token unknown: needs a prefill value.

    Caveats

    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  38. 38

    Ornith-1.5-9B

    ornith-ai/Ornith-1.5-9B

    2026-08 (day unknown)9B dense

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit8.9 GiB fileFits · conditional
    10.1 of 384 GiB+8K ctx · max ≈256K
    Prompt~5,631 t/sEstimated
    Generate~104 t/sEstimated
    First token · 4K prompt~727 msEstimated

    Memory budget

    Weights file8.86 GiBornith-ai/Ornith-1.5-9B-MLX-8bit · 2 files HF files
    KV cache · 8K0.25 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted10.11 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 4.7 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 8.9 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  39. 39

    Poolside Laguna S 2.1

    poolside/Laguna-S-2.1

    2026-07-21118B · 8B active

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit116 GiB fileFits · conditional
    118 of 384 GiB+8K ctx · max ≈1M
    Prompt~1,292 t/sEstimated
    Generate~48.4 t/sEstimated
    First token · 4K prompt~3.2 sEstimated

    Memory budget

    Weights file116 GiBTensorFold/Laguna-S-2.1-MLX-8bit · 24 files HF files
    KV cache · 8K0.45 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted118 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈1M tokens (native 1M).

    Other MLX files

    • MLX 4-bit 61.6 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 7.9 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  40. 40

    Qwen3.6-27B

    Qwen/Qwen3.6-27B

    2026-04-2227B dense

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit27.5 GiB fileFits · conditional
    29.0 of 384 GiB+8K ctx · max ≈256K
    Prompt~1,877 t/sEstimated
    Generate~33.5 t/sEstimated
    First token · 4K prompt~2.2 sEstimated

    Memory budget

    Weights file27.48 GiBmlx-community/Qwen3.6-27B-8bit · 6 files HF files
    KV cache · 8K0.50 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted28.98 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 15.0 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 27.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  41. 41

    NVIDIA Nemotron 3 Super 120B-A12B

    nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-BF16

    2026-03-11120B · 12B active

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit119 GiB fileFits · conditional
    121 of 384 GiB+8K ctx · max ≈256K
    Prompt~861 t/sEstimated
    Generate~32 t/sEstimated
    First token · 4K prompt~4.8 sEstimated

    Memory budget

    Weights file119 GiBmlx-community/NVIDIA-Nemotron-3-Super-120B-A12B-8bit · 27 files HF files
    KV cache · 8K0.06 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted121 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 63.3 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 11.9 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Sliding-window allocation is not established.
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  42. 42

    Qwen3.5-0.8B

    Qwen/Qwen3.5-0.8B

    2026-03-020.8B dense

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit0.9 GiB fileFits · conditional
    2.0 of 384 GiB+8K ctx · max ≈256K
    Prompt~63,350 t/sEstimated
    Generate~987 t/sEstimated
    First token · 4K prompt~65 msEstimated

    Memory budget

    Weights file0.93 GiBmlx-community/Qwen3.5-0.8B-8bit HF files
    KV cache · 8K0.09 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted2.03 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 0.6 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 0.9 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  43. 43

    Qwen3.5-2B

    Qwen/Qwen3.5-2B

    2026-03-022B dense

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit2.5 GiB fileFits · conditional
    3.6 of 384 GiB+8K ctx · max ≈256K
    Prompt~25,340 t/sEstimated
    Generate~371 t/sEstimated
    First token · 4K prompt~162 msEstimated

    Memory budget

    Weights file2.48 GiBmlx-community/Qwen3.5-2B-8bit HF files
    KV cache · 8K0.09 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted3.57 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 1.6 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 2.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  44. 44

    Qwen3.5-27B

    Qwen/Qwen3.5-27B

    2026-02-2427B dense

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit27.5 GiB fileFits · conditional
    29.0 of 384 GiB+8K ctx · max ≈256K
    Prompt~1,877 t/sEstimated
    Generate~33.5 t/sEstimated
    First token · 4K prompt~2.2 sEstimated

    Memory budget

    Weights file27.48 GiBmlx-community/Qwen3.5-27B-8bit · 6 files HF files
    KV cache · 8K0.50 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted28.98 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 15.0 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 27.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  45. 45

    Qwen3.5-35B-A3B

    Qwen/Qwen3.5-35B-A3B

    2026-02-2435B · 3B active

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit35.1 GiB fileFits · conditional
    36.3 of 384 GiB+8K ctx · max ≈256K
    Prompt~3,445 t/sEstimated
    Generate~127 t/sEstimated
    First token · 4K prompt~1.2 sEstimated

    Memory budget

    Weights file35.13 GiBmlx-community/Qwen3.5-35B-A3B-8bit · 8 files HF files
    KV cache · 8K0.16 GiBFP16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted36.29 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈256K tokens (native 256K).

    Other MLX files

    • MLX 4-bit 19.0 GiB · fits · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.0 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  46. 46

    MiniMax-M2.7

    MiniMaxAI/MiniMax-M2.7

    2026 (month unknown)MoE · size unknown

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit226 GiB fileFits · conditional
    229 of 384 GiB+8K ctx · max ≈200K
    Prompt—Unknown
    Generate—Unknown
    First token · 4K prompt—Unknown

    Memory budget

    Weights file226 GiBmlx-community/MiniMax-M2.7-8bit · 47 files HF files
    KV cache · 8K1.94 GiBBF16 cache from config.json Estimated
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted229 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: ≈200K tokens (native 200K).

    Other MLX files

    • MLX 4-bit 120 GiB · fits · files

    Where the speeds come from

    • Prompt unknown: no measured report, and no comparable vendor FP16 figure or device calibration.
    • Generate unknown: no measured report, and bandwidth, active size or backend calibration is missing.
    • First token unknown: needs a prefill value.

    Caveats

    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

May fit: KV-cache size unknown 18

Weights and runtime fit, but the cache for this attention type is not established. Ranked by AA index.

  1. GLM-5.3-Flash

    zai-org/GLM-5.3-Flash

    2026-08-26320B · 18B active

    AA index41.8rank #5
    Arena1,471
    Best file & memory
    MLX 8-bit311 GiB fileCache unknown
    312 of 384 GiB+8K ctx
    Prompt~574 t/sEstimated
    Generate~21.8 t/sEstimated
    First token · 4K prompt~7.1 sEstimated

    Memory budget

    Weights file311 GiBpipenetwork/GLM-5.3-Flash-MLX-8bit · 32 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted312 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 1M).

    Other MLX files

    • MLX 4-bit 190 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 17.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 41.8 GLM-5.3-Flash · Arena 1,471 · Model page

  2. Qwen3.8-Flash-Next

    Qwen/Qwen3.8-Flash-Next

    2026-08-26180B · 6B active

    AA index39.8rank #8
    Arena—
    Best file & memory
    MLX 4-bit104 GiB fileCache unknown
    105 of 384 GiB+8K ctx
    Prompt~1,723 t/sEstimated
    Generate~110 t/sEstimated
    First token · 4K prompt~2.4 sEstimated

    Memory budget

    Weights file104 GiBmlx-community/Qwen3.8-Flash-Next-4bit · 22 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted105 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 256K).

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 39.8 Qwen3.8-Flash-Next · Arena unknown · Model page

  3. Motif 3

    Motif-Technologies/Motif-3

    2026-08 (day unknown)314B · 13B active

    AA index33.6 AA estimaterank #14
    Arena—
    Best file & memory
    MLX 8-bit312 GiB fileCache unknown
    313 of 384 GiB+8K ctx
    Prompt~783 t/sEstimated
    Generate~29.1 t/sEstimated
    First token · 4K prompt~5.2 sEstimated

    Memory budget

    Weights file312 GiBavlp12/Motif-3-Alis-MLX-8bit · 78 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted313 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 256K).

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 13.1 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 33.6 AA estimate Motif 3 · Arena unknown · Model page

  4. MiniMax-M3

    MiniMaxAI/MiniMax-M3

    2026-06 (day unknown)428B · 23B active

    AA index29.2rank #17
    Arena1,433
    Best file & memory
    MLX 4-bit225 GiB fileCache unknown
    226 of 384 GiB+8K ctx
    Prompt~449 t/sEstimated
    Generate~31.6 t/sEstimated
    First token · 4K prompt~9.1 sEstimated

    Memory budget

    Weights file225 GiBmlx-community/MiniMax-M3-4bit · 58 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted226 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 1M).

    Other MLX files

    • MLX 8-bit 421 GiB · too big · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 12.1 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 29.2 MiniMax-M3 · Arena 1,433 · Model page

  5. K2-Horizon-MoVA-36B-A4B

    IFM/K2-Horizon-MoVA-36B-A4B

    2026-09-0336B · 4B active

    AA index25.3rank #22
    Arena—
    Best file & memory
    MLX 8-bit37.1 GiB fileCache unknown
    38.1 of 384 GiB+8K ctx
    Prompt~2,584 t/sEstimated
    Generate~92.7 t/sEstimated
    First token · 4K prompt~1.6 sEstimated

    Memory budget

    Weights file37.07 GiBmlx-community/K2-Horizon-MoVA-36B-A4B-8bit · 8 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted38.07 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 512K).

    Other MLX files

    • MLX 4-bit 24.6 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 4.1 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 25.3 K2 Horizon MoVA 36B A4B · Arena unknown · Model page

  6. Gemma 4 26B A4B (it)

    google/gemma-4-26B-A4B-it

    2026-04-0225B · 3.8B active

    AA index16.7 AA estimaterank #39
    Arena1,434
    Best file & memory
    MLX 8-bit26.0 GiB fileCache unknown
    27.0 of 384 GiB+8K ctx
    Prompt~2,720 t/sEstimated
    Generate~97.2 t/sEstimated
    First token · 4K prompt~1.5 sEstimated

    Memory budget

    Weights file26.03 GiBmlx-community/gemma-4-26B-A4B-it-8bit · 6 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted27.03 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 256K).

    Other MLX files

    • MLX 4-bit 14.3 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.9 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 16.7 AA estimate Gemma 4 26B A4B (Reasoning) · Arena 1,434 · Model page

  7. Gemma 4 31B (it)

    google/gemma-4-31B-it

    2026-04-0231B dense

    AA index14.7rank #42
    Arena1,443
    Best file & memory
    MLX 8-bit31.4 GiB fileCache unknown
    32.4 of 384 GiB+8K ctx
    Prompt~1,651 t/sEstimated
    Generate~29.3 t/sEstimated
    First token · 4K prompt~2.5 sEstimated

    Memory budget

    Weights file31.44 GiBmlx-community/gemma-4-31B-it-8bit · 7 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted32.44 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 256K).

    Other MLX files

    • MLX 4-bit 17.1 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 31.4 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 14.7 Gemma 4 31B (Reasoning) · Arena 1,443 · Model page

  8. Gemma 4 12B (it)

    google/gemma-4-12B-it

    2026-06-0312B dense

    AA index14.2 AA estimaterank #44
    Arena—
    Best file & memory
    MLX 8-bit11.8 GiB fileCache unknown
    12.8 of 384 GiB+8K ctx
    Prompt~4,241 t/sEstimated
    Generate~77.7 t/sEstimated
    First token · 4K prompt~966 msEstimated

    Memory budget

    Weights file11.84 GiBmlx-community/gemma-4-12B-it-8bit · 3 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted12.84 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 256K).

    Other MLX files

    • MLX 4-bit 6.3 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 11.8 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 14.2 AA estimate Gemma 4 12B (Reasoning) · Arena unknown · Model page

  9. LongCat-Flash-Lite

    meituan-longcat/LongCat-Flash-Lite

    2026-01 (day unknown)69B · 3B active

    AA index11.5 AA estimaterank #54
    Arena—
    Best file & memory
    MLX 8-bit67.8 GiB fileCache unknown
    68.8 of 384 GiB+8K ctx
    Prompt~3,445 t/sEstimated
    Generate~128 t/sEstimated
    First token · 4K prompt~1.2 sEstimated

    Memory budget

    Weights file67.84 GiBmlx-community/LongCat-Flash-Lite-8bit · 20 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted68.84 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 320K).

    Other MLX files

    • MLX 4-bit 35.9 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.0 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 11.5 AA estimate LongCat Flash Lite · Arena unknown · Model page

  10. Ling-3.0-tiny

    inclusionAI/Ling-3.0-tiny

    2026-08 (day unknown)7.9B · 1.3B active

    AA index11.1rank #57
    Arena—
    Best file & memory
    MLX 4-bit4.1 GiB fileCache unknown
    5.1 of 384 GiB+8K ctx
    Prompt~7,950 t/sEstimated
    Generate~560 t/sEstimated
    First token · 4K prompt~515 msEstimated

    Memory budget

    Weights file4.14 GiBrapid-mlx/Ling-3.0-tiny-MLX-4bit HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted5.14 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 128K).

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 0.7 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 11.1 Ling 3.0 Tiny · Arena unknown · Model page

  11. Nemotron 3 Nano Omni 30B A3B Reasoning

    nvidia/Nemotron-3-Nano-Omni-30B-A3B-Reasoning-BF16

    2026-04-2830B · 3B active

    AA index10.3 AA estimaterank #60
    Arena—
    Best file & memory
    MLX 8-bit33.3 GiB fileCache unknown
    34.3 of 384 GiB+8K ctx
    Prompt~3,445 t/sEstimated
    Generate~115 t/sEstimated
    First token · 4K prompt~1.2 sEstimated

    Memory budget

    Weights file33.32 GiBmlx-community/Nemotron-3-Nano-Omni-30B-A3B-Reasoning-8bit · 8 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted34.32 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 256K).

    Other MLX files

    • MLX 4-bit 18.3 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.3 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 10.3 AA estimate Nemotron 3 Nano Omni 30B A3B Reasoning · Arena unknown · Model page

  12. DiffusionGemma 26B A4B

    google/diffusiongemma-26B-A4B-it

    2026-06-1025B · 3.8B active

    AA index9.5 AA estimaterank #62
    Arena—
    Best file & memory
    MLX 8-bit26.1 GiB fileCache unknown
    27.1 of 384 GiB+8K ctx
    Prompt~2,720 t/sEstimated
    Generate~97.2 t/sEstimated
    First token · 4K prompt~1.5 sEstimated

    Memory budget

    Weights file26.05 GiBmlx-community/diffusiongemma-26B-A4B-it-8bit · 6 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted27.05 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 256K).

    Other MLX files

    • MLX 4-bit 15.4 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.9 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 9.5 AA estimate DiffusionGemma 26B A4B · Arena unknown · Model page

  13. Gemma 4 E4B (it)

    google/gemma-4-E4B-it

    2026-04-028B dense

    AA index8.9rank #66
    Arena—
    Best file & memory
    MLX 8-bit8.3 GiB fileCache unknown
    9.3 of 384 GiB+8K ctx
    Prompt~6,335 t/sEstimated
    Generate~111 t/sEstimated
    First token · 4K prompt~647 msEstimated

    Memory budget

    Weights file8.27 GiBmlx-community/gemma-4-E4B-it-8bit · 2 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted9.27 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 128K).

    Other MLX files

    • MLX 4-bit 4.8 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 8.3 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 8.9 Gemma 4 E4B (Reasoning) · Arena unknown · Model page

  14. Gemma 4 E2B

    google/gemma-4-E2B-it

    2026-04-025.1B dense

    AA index7.8 AA estimaterank #72
    Arena—
    Best file & memory
    MLX 8-bit5.5 GiB fileCache unknown
    6.5 of 384 GiB+8K ctx
    Prompt~9,937 t/sEstimated
    Generate~168 t/sEstimated
    First token · 4K prompt~412 msEstimated

    Memory budget

    Weights file5.46 GiBmlx-community/gemma-4-E2B-it-8bit · 2 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted6.46 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 128K).

    Other MLX files

    • MLX 4-bit 3.3 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median prefill rate per GPU core of 16 measured M5 points (MLX) × this chip's GPU cores ÷ (2 × active params).
    • Generate estimated from MLX median efficiency 0.8231 (n=60) × memory bandwidth ÷ 5.5 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA 7.8 AA estimate Gemma 4 E2B (Reasoning) · Arena unknown · Model page

  15. Ling-3.0-flash

    inclusionAI/Ling-3.0-flash

    2026-08-07124B · 5.1B active

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit123 GiB fileCache unknown
    124 of 384 GiB+8K ctx
    Prompt~2,026 t/sEstimated
    Generate~75.4 t/sEstimated
    First token · 4K prompt~2.0 sEstimated

    Memory budget

    Weights file123 GiBTensorFold/Ling-3.0-flash-MLX-8bit · 27 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted124 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 256K).

    Other MLX files

    • MLX 4-bit 65.2 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 5.1 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  16. DeepSeek V4 Flash 0731

    deepseek-ai/DeepSeek-V4-Flash-0731

    2026-07-31MoE · size unknown

    AA index—unranked
    Arena—
    Best file & memory
    MLX 4-bit144 GiB fileCache unknown
    145 of 384 GiB+8K ctx
    Prompt—Unknown
    Generate—Unknown
    First token · 4K prompt—Unknown

    Memory budget

    Weights file144 GiBToPo-ToPo/DeepSeek-V4-Flash-0731-mlx-4bit · 33 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted145 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 1M).

    Where the speeds come from

    • Prompt unknown: no measured report, and no comparable vendor FP16 figure or device calibration.
    • Generate unknown: no measured report, and bandwidth, active size or backend calibration is missing.
    • First token unknown: needs a prefill value.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  17. Step 3.7 Flash

    stepfun-ai/Step-3.7-Flash

    2026-05-29198B · 11B active

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit195 GiB fileCache unknown
    196 of 384 GiB+8K ctx
    Prompt~940 t/sEstimated
    Generate~35.3 t/sEstimated
    First token · 4K prompt~4.4 sEstimated

    Memory budget

    Weights file195 GiBmlx-community/Step-3.7-Flash-8bit · 43 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted196 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 256K).

    Other MLX files

    • MLX 4-bit 103 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 10.8 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

  18. GLM-4.7-Flash

    zai-org/GLM-4.7-Flash

    2026-01 (day unknown)30B · 3B active

    AA index—unranked
    Arena—
    Best file & memory
    MLX 8-bit29.6 GiB fileCache unknown
    30.6 of 384 GiB+8K ctx
    Prompt~3,445 t/sEstimated
    Generate~129 t/sEstimated
    First token · 4K prompt~1.2 sEstimated

    Memory budget

    Weights file29.64 GiBmlx-community/GLM-4.7-Flash-8bit · 7 files HF files
    KV cache · 8K—Unknown
    Runtime allowance1.00 GiBplanning assumption Estimated
    Recurrent state—Unknown
    Accounted30.64 GiBof 384 GiB usable (75% of 512 GB) · 0.5 GiB spare margin required

    Max context in free memory: unknown (native 198K).

    Other MLX files

    • MLX 4-bit 15.7 GiB · cache unknown · files

    Where the speeds come from

    • Prompt estimated from median of 4 measured prefill points for this device (MLX), rescaled to this model.
    • Generate estimated from MLX median efficiency 0.3416 (n=94) × memory bandwidth ÷ 3.0 GiB read per token.
    • First token 4K-token prompt ÷ estimated prefill speed. Excludes model load and queueing.

    Caveats

    • KV-cache size could not be established from the config (compressed or backend-specific attention).
    • Fixed recurrent/convolution state is unknown and not included.
    • Text-only budget. A downloadable file does not prove your runtime supports this architecture.

    AA index unknown · Arena unknown · Model page

7 models too big for M5 Ultra 80c GPU · 512 GB

Specs & sources

Memory512 GB unifiedsource
Bandwidth1,200 GB/s (derived)source
FP16unknownApple publishes no comparable FP16 throughput or GPU-only TDP in reviewed chip/device technical specifications. Power adapter rating and whole-system maximum continuous power are not GPU TDP.
PowerunknownApple publishes no comparable FP16 throughput or GPU-only TDP in reviewed chip/device technical specifications. Power adapter rating and whole-system maximum continuous power are not GPU TDP.

Found in: Mac Studio (M5 Max or M5 Ultra)

Measured speeds

8 reported observations

On this device (same chip and GPU-core count). Reported by the linked sources; not reproduced by LocalFit.

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