Qwen3.5 is Here: The 397B Open Source Giant
Qwen3.5 397B is here with just 17B active parameters. Native multimodal agents for coding, reasoning, GUI + video. 200+ languages. Open weights.
The open-source AI community has a new champion. Qwen3.5 is here.
With 397B parameters and a highly efficient 17B active parameters (Mixture-of-Experts), this model represents the next frontier of open-weight intelligence. It is designed not just for text, but as a native multimodal agent.
Quick Specs
- Model: Qwen3.5-397B-A17B (MoE)
- Total Parameters: 397 Billion
- Active Parameters: 17 Billion
- Languages: 200+ Supported
- License: Open Weights
Native Multimodal Agents
This isn't just a chatbot; it's an engine for action. Qwen3.5 is built to handle complex agentic workflows natively:
- Coding & Reasoning: State-of-the-art performance in code generation and logical deduction.
- GUI + Video: Capable of understanding and interacting with Graphical User Interfaces and processing video input natively.
- Real Scale: Built for real-world application scale, not just benchmarks.
The Next Frontier is Open
By releasing the weights for a model of this scale and capability, Qwen is ensuring that the most powerful AI tools remain accessible to developers and researchers worldwide.
Get the Weights: Qwen3.5-397B-A17B on Hugging Face
🚀 The next frontier is open.



