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gpt-oss-20b

M3 Max (40c) · 48 GB · unknown · 2026-03-12

Performance

1k

tokens

737.8

PP tok/s

74.2

TG tok/s

1388

TTFT (ms)

13.1

Peak mem (GB)

Hardware

Chip M3 Max (40c)

Memory 48 GB

GPU Cores 40

Software

oMLX v0.2.8

macOS macOS 26.3.1

Context 1,024

Performance by Context Length

Context	PP tok/s	TG tok/s	Peak Mem
1k	737.8	74.2	13.1 GB	current
4k	901.3	67.3	13.1 GB	view

Batching Results

Batch Size	TG tok/s	Speedup
1×	74.2	1.00×
2×	72.2	0.97×
4×	112.0	1.51×