can-i-run-this-llm

Can I run this LLM?

Can a MacBook Pro M4 Max (128GB) run Qwen3.8 27B?

Qwen · Apache 2.0 · estimated for a 128.0 GB machine at 4K context.

Yes — it runs great.

Best fit: Qwen3.8 27B at Q6_K · 23.9 GB · 14–21 tok/s on a MacBook Pro M4 Max (128GB).

Every quantization on this machine

QuantSizeSpeedFit
Q2_K10.8 GB28–42 tok/sRuns great
Q3_K_M13.4 GB23–35 tok/sRuns great
Q4_K_M17.4 GB19–28 tok/sRuns great
Q5_K_M20.9 GB16–24 tok/sRuns great
Q6_K23.9 GB14–21 tok/sRuns great
Q8_029.1 GB12–18 tok/sTight / slow
FP1654.7 GB6–10 tok/sTight / slow

Ran Qwen3.8 27B on a MacBook Pro M4 Max (128GB)? Add your real numbers →