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gpt-oss-20b-MXFP4-Q8

M4 Pro (20c) · 48 GB · 4bit · 2026-04-16

Performance

1k

tokens

675.6

PP tok/s

66.0

TG tok/s

1516

TTFT (ms)

11.8

Peak mem (GB)

Hardware

Chip M4 Pro (20c)

Memory 48 GB

GPU Cores 20

Software

oMLX v0.3.5

macOS macOS 26.3

Context 1,024

Batching Results

Batch Size	TG tok/s	Speedup
1×	66.0	1.00×
2×	91.4	1.38×