Qwen3.5-397B-A17B by Alibaba: released Feb 16, 2026; 397B total, 17B active parameters; 256K-token context; open weights under Apache-2.0; API available outside China; list price $0.40 input / $2.40 output per 1M tokens up to 256K input (hosted as Qwen3.5-Plus).
Verified facts
- Released
- Feb 16, 2026 · verified Sep 29, 2026 · Evidence
- Outside China
- Global API · verified Sep 29, 2026 · Evidence
- Open weights
- Yes · verified Sep 29, 2026 · Evidence
- License
- Apache-2.0 · verified Sep 29, 2026 · Evidence
- Claim status
- Company-reported · verified Sep 29, 2026 · Evidence
- Parameters
- 397B total, 17B active · verified Sep 29, 2026 · Evidence
- Context window
- 262,144 tokens · verified Sep 29, 2026 · Evidence
- List price
- $0.40 input / $2.40 output per 1M tokens up to 256K input (hosted as Qwen3.5-Plus) · verified Sep 29, 2026 · Evidence
- Hugging Face
- Qwen/Qwen3.5-397B-A17B · verified Sep 29, 2026
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Release timeline
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