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Alibaba

Qwen3.5 397B A17B

Benchmarks, price, context and versions

Also searched as

Qwen3.5-397B-A17B

Direct answer: Qwen3.5 397B A17B is a model from Alibaba. 86.4% on GPQA Diamond, per Epoch AI. On OpenRouter, US$ 0.60 per 1 million input tokens and US$ 3.60 per 1 million output tokens.

✓ Good for

  • agents that follow rules and use tools (#4 of 131 on τ-bench Verified (airline))
  • running on your own infrastructure (open weights)

✕ Not the best for

  • the ceiling of reasoning on research-level math (#66 of 86 on FrontierMath (tiers 1 to 3))

This block follows a rule of this section, using source data: if the model is in the top 25% of the metric, the item goes under "Good for"; if it is in the bottom half, it goes under "Not the best for". The middle band appears in neither. Price and context use OpenRouter; scores use Epoch AI or OpenRouter Benchmarks, in the latest version we checked.

Benchmarks

GPQA Diamond

?what it is
86.4%

highest score on this metric 96.4%

67º / 198 · Epoch AI, latest version we checked

OTIS Mock AIME

?
88.9%

highest score on this metric 100%

66º / 186 · Epoch AI, latest version we checked

FrontierMath (tiers 1 to 3)

?
31.2%

highest score on this metric 95.1%

66º / 86 · Epoch AI, latest version we checked

GPQA Diamond (OpenRouter)

?
88.1%

highest score on this metric 96.5%

52º / 135 · OpenRouter Benchmarks, latest version we checked

τ-bench Verified (airline)

?
80.2%

highest score on this metric 82%

4º / 131 · OpenRouter Benchmarks, latest version we checked

Key specs

Origin
China
Family
Qwen provisional data
Weights?
open
License
apache-2.0
Input US$/1M?
US$ 0.60
Output US$/1M
US$ 3.60
Context?
262,144 tokens
Parameters
403,397,928,944
Input
image, text, video
OpenRouter usage?
no data
Downloads (30 days)?
826,220
Use cases provisional data
Text Agents
Dates in sources
  • 2026, published, per Epoch AI
  • 2026, listed on OpenRouter
  • 2026, Hugging Face repo created

Version history

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch.

FAQ

What is Qwen3.5 397B A17B?

Qwen3.5 397B A17B is a model from Alibaba, with open weights, used for text, agents.

How much does Qwen3.5 397B A17B cost?

On OpenRouter, US$ 0.60 per 1 million input tokens and US$ 3.60 per 1 million output tokens.

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

262,144 tokens, per OpenRouter.

Is Qwen3.5 397B A17B open source?

Yes, it has open weights. License: apache-2.0.

What is Qwen3.5 397B A17B's GPQA Diamond score?

86.4% on GPQA Diamond, per Epoch AI.

Is Qwen3.5 397B A17B good for coding?

No data: there is no SWE-bench Verified measurement for it in open sources.

Who made Qwen3.5 397B A17B?

It was made by Alibaba, a lab from China.

provisional data Questions under review: Semrush had no API balance during collection. Answers use source data only.

Models from Alibaba

See lab

Sources

  • Epoch AI, CC BY 4.0, latest version we checked.
  • Hugging Face Hub, metadados públicos do Hub; licença de cada modelo no repositório, latest version we checked.
  • OpenRouter, dados públicos da API; exports de benchmarks e rankings em CC BY 4.0, latest version we checked.
  • OpenRouter Benchmarks, CC BY 4.0, latest version we checked.

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch. Family and version were grouped by rule from the name.