Alibaba's Qianwen platform has released four open-source Qwen 3.5 small-sized models.

Alibaba's Qwen3.5 platform announced the open-sourcing of four small-sized models: Qwen3.5-0.8B/2B/4B/9B. This series utilizes native multimodal training and the latest architecture, covering lightweight AI needs from edge computing to server-side applications. Specifically, 0.8B/2B are suitable for mobile devices and IoT edge deployments; 4B is positioned as a lightweight agent base; and 9B boasts performance comparable to gpt-oss-120B.