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gemma-4-31b

M1 Ultra (64c) · 128 GB · bf16 · 2026-04-26

Performance

4k

tokens

177.1

PP tok/s

8.3

TG tok/s

23134

TTFT (ms)

60.3

Peak mem (GB)

Hardware

Chip M1 Ultra (64c)

Memory 128 GB

GPU Cores 64

Software

oMLX v0.3.6

macOS macOS 26.4.1

Context 4,096

Performance by Context Length

Context	PP tok/s	TG tok/s	Peak Mem
1k	168.4	9.0	58.9 GB	view
4k	177.1	8.3	60.3 GB	current

Batching Results

Batch Size	TG tok/s	Speedup
1×	9.0	1.00×
2×	5.4	0.60×
4×	10.3	1.14×