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gpt-oss-20b-MXFP4-Q8

M4 (10c) · 32 GB · 4bit · 2026-03-10

Performance

4k

tokens

316.1

PP tok/s

29.9

TG tok/s

12957

TTFT (ms)

11.5

Peak mem (GB)

Hardware

Chip M4 (10c)

Memory 32 GB

GPU Cores 10

Software

oMLX v0.2.6

macOS macOS 15.5

Context 4,096

Performance by Context Length

Context	PP tok/s	TG tok/s	Peak Mem
1k	303.4	33.5	11.4 GB	view
4k	316.1	29.9	11.5 GB	current

Batching Results

Batch Size	TG tok/s	Speedup
1×	33.5	1.00×
2×	43.7	1.30×
4×	53.5	1.60×