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: AA prime-hub OpenReward

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Context

262K

Input

$0.60

/1M tok

Output

$3.60

/1M tok

Blended

$1.35

#370/ 461/1M · 3:1

Speed

#73/ 461tok/s

Cache read

$0.30

0.50x input

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

Reasoning effort	Index	Speed
Reasoning	34.3	81 t/s
Non-reasoning	32.7	77 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

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)19.8

GPQA Diamond86.1

SciCode41.1

Terminal-Bench (Hard)35.6

IFBench51.6

τ²-bench (Tau²-bench)83.9

FrontierScience: Expert-Level Scientific Reasoning40.3