can-i-run-this-llm

Can I run this LLM?

Can a Mac Studio M3 Ultra (512GB) run Qwen3.5 9B?

Qwen · Apache 2.0 · estimated for a 512.0 GB machine at 4K context.

Yes — it runs great.

Best fit: Qwen3.5 9B at FP16 · 17.9 GB · 25–38 tok/s on a Mac Studio M3 Ultra (512GB).

Every quantization on this machine

QuantSizeSpeedFit
Q3_K_M4.7 GB66–98 tok/sRuns great
Q4_K_M5.7 GB59–88 tok/sRuns great
Q5_K_M6.6 GB53–80 tok/sRuns great
Q6_K7.5 GB49–74 tok/sRuns great
Q8_09.5 GB42–62 tok/sRuns great
FP1617.9 GB25–38 tok/sRuns great

Ran Qwen3.5 9B on a Mac Studio M3 Ultra (512GB)? Add your real numbers →