Qwen 3.6/3.8 27B is a 27.78B-parameter model. At Q4_K_M it needs about 17.6 GB of memory. The MacBook Pro M5 Max 128GB has 96 GB usable, so it fits entirely in memory. Expect about 19 tokens/sec (11–27), with the first token after 0.4 s for a short prompt. This estimate is interpolated from benchmarks of similar setups.
| Quantization | File size | Memory | Generation | First token | Source |
|---|---|---|---|---|---|
| Q4_K_M | 16.8 GB | Fits | 19 tok/s | 0.4 s | Derived |
| Q8_0 | 28.6 GB | Fits | 11 tok/s | 0.4 s | Derived |
| FP16 | 53.8 GB | Fits | 5.9 tok/s | 0.4 s | Derived |
All models on the MacBook Pro M5 Max 128GB · Qwen 3.6/3.8 27B on all hardware
Estimates for a short prompt on a single device. Measured numbers come from community benchmarks (r/LocalLLaMA, localscore.ai and more); others are derived from similar setups or projected from specs. Open source on GitHub.