Qwen3.5 397B A17B

Feb 2026
Qwen3.5 397B A17B
Compare in
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$0.47per task?
$0.60 / $3.60per 1M in / out
55 tok/sfirst token in 1.5 s?
262Kcontext

Rankingin thinking mode?

Alternatives?

Run it yourself

estimate
Fits on✗ 8 GB (phone, laptop)✗ 16 GB✗ 24 GB GPU✗ 48 GB GPU✗ 80 GB GPU
LicenceApache-2.0free for commercial use

Benchmarks

all categories
Chat & Knowledge
MMLU-Pro · official boardlab87.8
Coding
SciCode44.8#75
SWE-bench Pro (edition unstated)lab50.9
Agents & Tool Use
Writing & Language
Vision & Documents

FAQ

How much does Qwen3.5 397B A17B cost?›

$0.60 per 1M input tokens and $3.60 per 1M output tokens; cheapest via lab-qwen at $0.17 / $1.03. A typical benchmark task costs about $0.47 at default effort.

Is Qwen3.5 397B A17B free to use?›

There is no free API; the cheapest paid price is $0.17 per 1M input tokens. The weights are open, so you can run it yourself.

How good is Qwen3.5 397B A17B, and what is it best at?›

#85 of 334 in Chat & Knowledge, #75 of 132 in Coding, #76 of 133 in Agents & Tool Use, #61 of 195 in Writing & Language, #36 of 124 in Vision & Documents. Strongest at: Tool calling, Science, Instructions.

Is Qwen3.5 397B A17B better than Qwen3 235B A22B Instruct 2507?›

On Humanity's Last Exam, Qwen3.5 397B A17B scores 29 vs 11.1 — higher.

How can I use Qwen3.5 397B A17B?›

Through the API of Alibaba, AtlasCloud, DeepInfra, DigitalOcean, GMICloud and 5 more.

What is the context window of Qwen3.5 397B A17B?›

262K tokens, with up to 66K output tokens.

When was Qwen3.5 397B A17B released? Is there a newer version?›

Released 2026-02-15. It is the current version in its line.

Is Qwen3.5 397B A17B open source?›

Yes, the weights are open (Apache-2.0 licence).

Can I run Qwen3.5 397B A17B locally?›

The weights are open and can be self-hosted; hardware needs are not confirmed yet.

Can Qwen3.5 397B A17B read images?›

It accepts text and images, video as input.

What is Qwen3.5 397B A17B?›

Qwen3.5 397B A17B is an open-weights language model from Alibaba (Qwen), released Feb 2026, the successor to Qwen3 235B A22B Instruct 2507.

What are the best alternatives to Qwen3.5 397B A17B?›

GPT-6.1 Sol (cheaper), GPT-6 Luna (better), Step 5 Preview (open weights).