Qwen3.5 397B A17B

About this model

Qwen 3.5 397B A17B is a 397B-parameter mixture-of-experts vision-language foundation model with a gated delta network architecture and a vision encoder. It supports a native context window of 262,144 tokens (extendable to over 1 million) and operates in a default thinking mode that can be disabled. The model achieves strong results such as 87.8% on MMLU‑Pro, 85.0% on MMMU, and 88.6% on MathVision benchmarks. It is released under the Apache 2.0 license.

Technical specifications

Capabilities

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Reasoning

Hybrid Default on

Knowledge horizon