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Qwen3.5 397B A17B

Open weights

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
Input
$0.60
/1M tok
Output
$3.60
/1M tok
Blended
$1.35
#324/ 414/1M · 3:1
Speed
52
#178/ 414tok/s

Price & speed via Artificial Analysis · ranked across tracked models

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
IFBench78.8
Terminal-Bench (Hard)40.9
GPQA Diamond89.3
SciCode42
MMLU-Pro87.3
Humanity's Last Exam (HLE)27.3
τ²-bench (Tau²-bench)95.6
FrontierScience: Expert-Level Scientific Reasoning40.3