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gpt-oss-20b

M3 Max (40c) · 128 GB · unknown · 2026-03-11

Performance

4k

tokens

881.8

PP tok/s

69.3

TG tok/s

4645

TTFT (ms)

13.1

Peak mem (GB)

Hardware

Chip M3 Max (40c)

Memory 128 GB

GPU Cores 40

Software

oMLX v0.2.7

macOS macOS 26.4

Context 4,096

Performance by Context Length

Context	PP tok/s	TG tok/s	Peak Mem
1k	724.9	74.6	13.1 GB	view
4k	881.8	69.3	13.1 GB	current

Batching Results

Batch Size	TG tok/s	Speedup
1×	74.6	1.00×
2×	74.7	1.00×
4×	115.2	1.54×