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gpt-oss-120b-MXFP4-Q8
Performance
4k
tokens
1,668
PP tok/s
80.3
TG tok/s
2455
TTFT (ms)
59.6
Peak mem (GB)
Hardware
Chip
M5 Max (40c)
Memory
128 GB
GPU Cores
40
Software
oMLX
v0.3.8
macOS
macOS 26.4.1
Context
4,096
Performance by Context Length
| Context | PP tok/s | TG tok/s | Peak Mem | |
|---|---|---|---|---|
| 1k | 1,255 | 84.7 | 59.5 GB | view |
| 4k | 1,668 | 80.3 | 59.6 GB | current |
Batching Results
| Batch Size | TG tok/s | Speedup |
|---|---|---|
| 1× | 84.7 | 1.00× |
| 2× | 117.7 | 1.39× |
| 4× | 149.8 | 1.77× |