Compatibility Check
Can I Run GPT-OSS 120B on Apple M2 Pro?
No — Apple M2 Pro does not have enough memory for any GPT-OSS 120B variant.
Can't Run
Best variant: FP16
Not enough memory — need at least 360 GB RAM (have 64 GB) and 276 GB VRAM (have 32).
- GPU VRAM
- 32 GB
- Min VRAM (best fit)
- 276 GB
- Recommended VRAM
- 312 GB
- Estimated tok/s
- —
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Every GPT-OSS 120B quantization on Apple M2 Pro
Each row runs the compatibility engine against your VRAM, RAM, and the model's requirements.
| Quantization | File Size | Min VRAM | Rec VRAM | Context | Verdict | Estimated tok/s |
|---|---|---|---|---|---|---|
| Q4_K_M | 60 GB | 69 GB | 78 GB | 8K / 8K | Can't Run | — |
| Q5_K_M | 75 GB | 86.3 GB | 97.5 GB | 8K / 8K | Can't Run | — |
| Q8_0 | 120 GB | 138 GB | 156 GB | 8K / 8K | Can't Run | — |
| FP16Best fit | 240 GB | 276 GB | 312 GB | 8K / 8K | Can't Run | — |
Upgrade options that fit GPT-OSS 120B better
Rent GPU instead of buying one
If local fit is weak, cloud GPU gets you running today without hardware upgrade.