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gpt-oss-20b

M4 Pro (20c) · 48 GB · 8bit · 2026-03-12

Performance

1k

tokens

477.8

PP tok/s

49.3

TG tok/s

2143

TTFT (ms)

20.9

Peak mem (GB)

Hardware

Chip M4 Pro (20c)

Memory 48 GB

GPU Cores 20

Software

oMLX v0.2.7

macOS macOS 26.3.1

Context 1,024

Performance by Context Length

Context	PP tok/s	TG tok/s	Peak Mem
1k	477.8	49.3	20.9 GB	current
4k	536.5	43.9	20.9 GB	view

Batching Results

Batch Size	TG tok/s	Speedup
1×	49.3	1.00×
2×	55.9	1.13×
4×	66.5	1.35×