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Qwen3.5-397B-A17B

M3 Ultra (80c) · 512 GB · 6bit · 2026-03-12
Performance
4k
tokens
494.4
PP tok/s
28.6
TG tok/s
8286
TTFT (ms)
302.9
Peak mem (GB)
Hardware
Chip M3 Ultra (80c)
Memory 512 GB
GPU Cores 80
Software
oMLX v0.2.7
macOS macOS 26.3.1
Context 4,096
Performance by Context Length
Context PP tok/s TG tok/s Peak Mem
1k 458.1 29.5 302.7 GB view
4k 494.4 28.6 302.9 GB current
8k 491.8 26.1 303.3 GB view
16k 470.4 22.5 304.0 GB view
32k 429.1 17.3 305.5 GB view
64k 348.4 12.1 308.5 GB view
Batching Results
Batch Size TG tok/s Speedup
29.5 1.00×
45.8 1.55×
59.3 2.01×