can-i-run-this-llm

Can I run this LLM?

Can a MacBook Pro M5 Max (128GB) run Qwen3.5 4B?

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

Yes — it runs great.

Best fit: Qwen3.5 4B at FP16 · 8.4 GB · 38–57 tok/s on a MacBook Pro M5 Max (128GB).

Every quantization on this machine

QuantSizeSpeedFit
Q2_K1.9 GB92–138 tok/sRuns great
Q3_K_M2.3 GB86–128 tok/sRuns great
Q4_K_M2.7 GB78–117 tok/sRuns great
Q5_K_M3.1 GB73–109 tok/sRuns great
Q6_K3.5 GB68–102 tok/sRuns great
Q8_04.5 GB59–88 tok/sRuns great
FP168.4 GB38–57 tok/sRuns great

Ran Qwen3.5 4B on a MacBook Pro M5 Max (128GB)? Add your real numbers →