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gpt-oss-120b-MXFP4-Q8

M4 Max (40c) · 128 GB · 4bit · 2026-05-15
Performance
1k
tokens
650.2
PP tok/s
75.3
TG tok/s
1575
TTFT (ms)
59.5
Peak mem (GB)
Hardware
Chip M4 Max (40c)
Memory 128 GB
GPU Cores 40
Software
oMLX v0.3.8
macOS macOS 26.3.1
Context 1,024
Performance by Context Length
Context PP tok/s TG tok/s Peak Mem
1k 650.2 75.3 59.5 GB current
4k 833.4 71.7 59.6 GB view
Batching Results
Batch Size TG tok/s Speedup
75.3 1.00×
105.4 1.40×
133.1 1.77×