Qwen3.5-397B-A17B
Weights availableOpen-weight Qwen model with a 256K-token context window, image input and tool calling. Released February 16, 2026. Weights on Hugging Face.
Access details: Qwen open weights (Hugging Face)
The Hugging Face repository. Download the weights and run them yourself or with a host.
Qwen/Qwen3.5-397B-A17BAlso on the Qwen API as qwen3.5-397b-a17b
Updated Oct 1, 2026
Capabilities & limits
- Context window
- 256K
- Maximum output
- Not published
- Image input
- Supported
- Tool calling
- Supported
- Structured output
- Not published
Hosted price
USD / 1M tokens- Input
- $0.60
- Output
- $3.60
What Qwen charges for qwen3.5-397b-a17b, its API version of this model.
Free to download. Running the weights costs whatever your hardware or host charges.
Price history
Oct 1, 2026
Input Not applicable per million tokens
Oct 1, 2026
Output Not applicable per million tokens
Technical details
- Parameters
- 397B
- Active parameters
- 17B
- Architecture
- Causal Language Model with Vision Encoder
- Training / knowledge cutoff
- Not published
- Input modalities
- Text, image, video
- Output modalities
- Text
License
Apache-2.0
From Qwen
Official announcement ↗How they describe it
Qwen3.5 represents a significant leap forward, integrating breakthroughs in multimodal learning, architectural efficiency, reinforcement learning scale, and global accessibility
Release & lifecycle
- Published
- Feb 16, 2026
- available
- As of Oct 1, 2026