can-i-run-this-llm

Can I run this LLM?

Can a MacBook Pro M5 Pro (64GB) run Qwen3.5 4B?

Qwen · Apache 2.0 · estimated for a 64.0 GB machine at 4K context.

Yes — it runs great.

Best fit: Qwen3.5 4B at FP16 · 8.4 GB · 20–31 tok/s on a MacBook Pro M5 Pro (64GB).

Every quantization on this machine

QuantSizeSpeedFit
Q3_K_M2.3 GB51–77 tok/sRuns great
Q4_K_M2.7 GB46–69 tok/sRuns great
Q5_K_M3.1 GB42–64 tok/sRuns great
Q6_K3.5 GB39–59 tok/sRuns great
Q8_04.5 GB33–50 tok/sRuns great
FP168.4 GB20–31 tok/sRuns great

Ran Qwen3.5 4B on a MacBook Pro M5 Pro (64GB)? Add your real numbers →