can-i-run-this-llm

Can I run this LLM?

Can a MacBook Air/Pro M1 (16GB) run Qwen3.5 4B?

Qwen · Apache 2.0 · estimated for a 16.0 GB machine at 4K context.

Yes — it runs great.

Best fit: Qwen3.5 4B at Q4_K_M · 2.7 GB · 13–19 tok/s on a MacBook Air/Pro M1 (16GB).

Every quantization on this machine

QuantSizeSpeedFit
Q3_K_M2.3 GB15–22 tok/sRuns great
Q4_K_M2.7 GB13–19 tok/sRuns great
Q5_K_M3.1 GB12–17 tok/sTight / slow
Q6_K3.5 GB11–16 tok/sTight / slow
Q8_04.5 GB9–13 tok/sTight / slow
FP168.4 GB5–7 tok/sTight / slow

Ran Qwen3.5 4B on a MacBook Air/Pro M1 (16GB)? Add your real numbers →