Qwen3.5 is a family of multimodal hybrid reasoning LLMs from Alibaba, featuring models such as Qwen3.5-35B-A3B, 27B, 122B-A10B, and 397B-A17B, as well as smaller versions like Qwen3.5-0.8B, 2B, 4B, and 9B. These models support a 256K context across 201 languages and deliver strong performance for their sizes.

Alibaba's Qwen team has released the Qwen 3.5 family of open weight models. Junyang Lin, the lead researcher, announced his departure from the team via Twitter.

Key figures from Alibaba's Qwen AI team, known for their extensive contributions to open source generative models, have departed following the release of the Qwen3.5 small model series. The release received public acclaim from Elon Musk for its notable intelligence density.

Alibaba released the Qwen3.5 Medium Model series, which includes four large language models (LLMs) that support agentic tool calling. Three of these models, Qwen3.5-35B-A3B, Qwen3.5-122B-A10B, and Qwen3.5-27B, are available for commercial use under the Apache 2.0 license and can be downloaded from Hugging Face and ModelScope.