What the evidence says
- Developer
- Alibaba
- Released
- February 13, 2026
- Domains
- Language · Vision
- Tasks
- Language modeling/generation · Vision-language generation
- Access
- Open weights (unrestricted)
- Weights
- Open weights
Platform facts
OpenRouter's platform listing, retrieved July 22, 2026. Routed platform prices, not first-party provider prices.
- Input price
- $0.39 per 1M tokens
- Output price
- $2.34 per 1M tokens
- Context length
- 262,144 tokens
- Listed on OpenRouter
- February 16, 2026
Common questions
What is Qwen3.5 397B-A17B?
Qwen3.5 397B-A17B is a Alibaba model released February 13, 2026, according to Epoch AI's reviewed catalog record. The record classifies it under language, vision.
How does Qwen3.5 397B-A17B rank on LMArena?
No board Model Gauntlet mirrors currently lists this exact model revision under a reviewed identity, so no rating is reported here.
What does Qwen3.5 397B-A17B cost?
OpenRouter lists it at $0.39 per million input tokens and $2.34 per million output tokens, retrieved July 22, 2026. Those are the platform's routed prices, not first-party provider prices.