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Step-3.5-Flash

M3 Ultra (80c) · 512 GB · 8bit · 2026-03-16

Performance

1k

tokens

535.0

PP tok/s

37.3

TG tok/s

1916

TTFT (ms)

195.6

Peak mem (GB)

Hardware

Chip M3 Ultra (80c)

Memory 512 GB

GPU Cores 80

Software

oMLX v0.2.13

macOS macOS 15.3

Context 1,024

Performance by Context Length

Context	PP tok/s	TG tok/s	Peak Mem
1k	535.0	37.3	195.6 GB	current
4k	623.9	35.5	195.8 GB	view

Batching Results

Batch Size	TG tok/s	Speedup
1×	37.3	1.00×
2×	56.0	1.50×
4×	73.9	1.98×