can-i-run-this-llm

Can I run this LLM?

Can a MacBook Pro M4 Pro (48GB) run Qwen3.5 4B?

Qwen · Apache 2.0 · estimated for a 48.0 GB machine at 4K context.

Yes — it runs great.

Best fit: Qwen3.5 4B at FP16 · 8.4 GB · 18–28 tok/s on a MacBook Pro M4 Pro (48GB).

Every quantization on this machine

QuantSizeSpeedFit
Q3_K_M1.8 GB54–81 tok/sRuns great
Q4_K_M2.6 GB44–66 tok/sRuns great
Q5_K_M3.0 GB40–60 tok/sRuns great
Q6_K3.5 GB36–54 tok/sRuns great
Q8_04.5 GB30–45 tok/sRuns great
FP168.4 GB18–28 tok/sRuns great

Ran Qwen3.5 4B on a MacBook Pro M4 Pro (48GB)? Add your real numbers →