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Qwen3.5-397B-A17B

M3 Ultra (80c) · 512 GB · 8bit · 2026-03-10
Performance
8k
tokens
498.9
PP tok/s
24.1
TG tok/s
16421
TTFT (ms)
395.6
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 8,192
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 view
8k 498.9 24.1 395.6 GB current
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×