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Qwen3.5-397B-A17B

M3 Ultra (80c) · 512 GB · 4bit · 2026-04-05

Performance

16k

tokens

525.1

PP tok/s

31.6

TG tok/s

31203

TTFT (ms)

213.1

Peak mem (GB)

Hardware

Chip M3 Ultra (80c)

Memory 512 GB

GPU Cores 80

Software

oMLX v0.3.4

macOS macOS 26.3.1

Context 16,384

Performance by Context Length

Context	PP tok/s	TG tok/s	Peak Mem
1k	456.3	38.0	209.6 GB	view
4k	546.1	36.7	211.3 GB	view
8k	545.9	34.7	211.9 GB	view
16k	525.1	31.6	213.1 GB	current