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Qwen3.5-397B-A17B

M3 Ultra (80c) · 512 GB · 8bit · 2026-03-10
Performance
4k
tokens
493.6
PP tok/s
25.6
TG tok/s
8299
TTFT (ms)
395.2
Peak mem (GB)
Hardware
Chip M3 Ultra (80c)
Memory 512 GB
GPU Cores 80
Software
oMLX v0.2.6
macOS macOS 26.3.1
Context 4,096
Performance by Context Length
Context PP tok/s TG tok/s Peak Mem
1k 433.6 26.3 394.9 GB view
4k 493.6 25.6 395.2 GB current
8k 498.9 24.1 395.6 GB view
16k 479.0 21.0 396.3 GB view
32k 436.2 16.5 397.8 GB view
64k 342.9 11.8 400.8 GB view
Batching Results
Batch Size TG tok/s Speedup
26.3 1.00×
43.6 1.66×
54.0 2.05×