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gpt-oss-120b
Performance
1k
tokens
484.1
PP tok/s
64.6
TG tok/s
2115
TTFT (ms)
115.8
Peak mem (GB)
Hardware
Chip
M3 Ultra (60c)
Memory
256 GB
GPU Cores
60
Software
oMLX
v0.2.7
macOS
macOS 26.3
Context
1,024
Performance by Context Length
| Context | PP tok/s | TG tok/s | Peak Mem | |
|---|---|---|---|---|
| 1k | 484.1 | 64.6 | 115.8 GB | current |
| 4k | 540.6 | 57.6 | 115.9 GB | view |
| 8k | 547.2 | 53.5 | 116.1 GB | view |
| 16k | 528.1 | 30.0 | 116.4 GB | view |
| 32k | 484.7 | 18.2 | 117.0 GB | view |
| 64k | 405.2 | 10.8 | 118.2 GB | view |
Batching Results
| Batch Size | TG tok/s | Speedup |
|---|---|---|
| 1× | 64.6 | 1.00× |
| 2× | 87.6 | 1.36× |
| 4× | 114.6 | 1.77× |
| 8× | 140.9 | 2.18× |