Apple M2 Max meets the minimum VRAM requirement for Q4 inference of openai/gpt-oss-120b. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
Apple M2 Max can run openai/gpt-oss-120b with Q4 quantization. At approximately 11 tokens/second, you can expect Basic speed - best for non-interactive tasks.
You have 37GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 59GB | 96GB | 11.03 tok/s | ✅ Fits comfortably |
| Q8 | 117GB | 96GB | 7.03 tok/s | ❌ Not recommended |
| FP16 | 235GB | 96GB | 4.00 tok/s | ❌ Not recommended |