Can I run this LLM?
Can a MacBook Air/Pro M5 (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 Q8_0 · 4.5 GB · 18–28 tok/s on a MacBook Air/Pro M5 (16GB).
Every quantization on this machine
| Quant | Size | Speed | Fit |
|---|---|---|---|
| Q3_K_M | 2.3 GB | 30–45 tok/s | Runs great |
| Q4_K_M | 2.7 GB | 27–40 tok/s | Runs great |
| Q5_K_M | 3.1 GB | 24–36 tok/s | Runs great |
| Q6_K | 3.5 GB | 22–33 tok/s | Runs great |
| Q8_0 | 4.5 GB | 18–28 tok/s | Runs great |
| FP16 | 8.4 GB | 11–16 tok/s | Tight / slow |
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