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gpt-oss-20b-MXFP4-Q8

M4 Max (32c) · 36 GB · 4bit · 2026-03-21

Performance

1k

tokens

820.8

PP tok/s

91.8

TG tok/s

1248

TTFT (ms)

11.4

Peak mem (GB)

Hardware

Chip M4 Max (32c)

Memory 36 GB

GPU Cores 32

Software

oMLX v0.2.12

macOS macOS 26.3.1

Context 1,024

Performance by Context Length

Context	PP tok/s	TG tok/s	Peak Mem
1k	820.8	91.8	11.4 GB	current
4k	915.2	83.9	11.5 GB	view

Batching Results

Batch Size	TG tok/s	Speedup
1×	91.8	1.00×
2×	124.6	1.36×
4×	155.1	1.69×