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Qwen3.5 397B A17B

qwen/qwen3.5-397b-a17b is an AI model.

Publisher
Alibaba
Family
Qwen
Context
262K
Input
Output
License
apache-2.0
Released
16 Feb 2026

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Notes

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Attribution

Benchmark scores
AAprime-hubOpenReward
Attribution policy →
Context
262K
Weights
Open
downloadable
Input
$0.60
/1M tok
Output
$3.60
/1M tok
Blended
$1.35
#402/ 499/1M · 3:1
Speed
55
#80/ 498tok/s
Cache read
$0.30
0.50x input

Price & speed via Artificial Analysis · ranked across tracked models · caching via OpenRouter

Reasoning effortIndexSpeed
Reasoning18.455 t/s
Non-reasoning21.456 t/s

Intelligence Index per reasoning-effort setting, via Artificial Analysis · pricing identical across tiers

Reported on 20 evals across 6 domains - best 100.0% on Physgym Arena Medley Public · #1 of 6

Reported eval scores

20
HMMT99.4
AIME202696.7
MMLU Redux 295
Physgym Arena Medley Public100
Simpleqa Verified46.2
MMLU Pro87.8
Infraresolutionbench81.7
Apex Shortlist60.4
Physgym Arena Drhard Public45.2
MMMLU89.5
Slitherlink Env0.6
MMLU-Pro87.3
Humanity's Last Exam (HLE)29
IFBench78.8
Terminal-Bench (Hard)40.9
τ²-bench (Tau²-bench)95.6
GPQA Diamond89.3
SciCode44.8
FrontierScience: Expert-Level Scientific Reasoning40.3