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gpt-oss-120b-MXFP4-Q8
Performance
195k
tokens
404.2
PP tok/s
6.3
TG tok/s
494832
TTFT (ms)
92.3
Peak mem (GB)
Hardware
Chip
M5 Max (40c)
Memory
128 GB
GPU Cores
40
Software
oMLX
v0.3.2
macOS
macOS 26.4
Context
200,000
Performance by Context Length
| Context | PP tok/s | TG tok/s | Peak Mem | |
|---|---|---|---|---|
| 1k | 1,023 | 79.7 | 59.5 GB | view |
| 4k | 1,633 | 77.1 | 59.6 GB | view |
| 8k | 1,658 | 70.6 | 59.8 GB | view |
| 16k | 1,538 | 58.5 | 60.0 GB | view |
| 32k | 1,213 | 41.4 | 60.6 GB | view |
| 64k | 646.7 | 22.5 | 61.7 GB | view |
| 128k | 521.2 | 14.0 | 64.1 GB | view |
| 195k | 404.2 | 6.3 | 92.3 GB | current |
Batching Results
| Batch Size | TG tok/s | Speedup |
|---|---|---|
| 1× | 79.7 | 1.00× |
| 2× | 84.7 | 1.06× |
| 4× | 100.4 | 1.26× |
| 8× | 111.4 | 1.40× |