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Can MacBook Pro M3 Max 128GB run Mistral-7B-Instruct-v0.3?

Apple · 128 GB LPDDR5 · 400 GB/s bandwidth · Mistral · 7.2B · model ctx up to 32K

Yes — the MacBook Pro M3 Max 128GB (128 GB LPDDR5) can run Mistral-7B-Instruct-v0.3. At Q4 with the default 8K context it needs ≈ 6.4 GB VRAM (weights 3.96 GB + KV cache 1.44 GB + 1 GB runtime overhead), which fits within 128 GB. Decode at Q4/8K: ≈ 38.0 tok/s (measured, batch 1). FP16 (≈ 16.84 GB) also fits, at ≈ 9.7 tok/s (estimated). Estimates come from memory-bandwidth math; rows tagged measured override estimates. Relative ranking is more reliable than absolute tok/s. Methodology.

Fit & speed by quant and context

QuantContextVRAM neededFits?tok/s (decode)
Q44K5.68 GBYes38.0 measured
Q48K default6.4 GBYes38.0 measured
Q432K10.72 GBYes38.0 measured
FP164K16.12 GBYes9.7 est.
FP168K default16.84 GBYes9.7 est.
FP1632K21.16 GBYes9.7 est.

Fits = weights + KV(ctx) + 1 GB overhead ≤ 95% of VRAM. Measured anchors are context-agnostic; the fit verdict is recomputed per context. A missing tok/s means the model is far beyond this card (offload-only territory).

VRAM breakdown at 8K context

QuantWeightsKV cacheOverheadTotal neededMacBook Pro M3 Max 128GB VRAM
Q43.96 GB1.44 GB1 GB6.4 GB128 GB
FP1614.4 GB1.44 GB1 GB16.84 GB128 GB

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