In the wee hours of March 4, Lin Junyang, a pivotal figure in Qianwen's development, announced his departure. Earlier, on the evening of March 2, Alibaba made waves in the tech community by open-sourcing four compact models from its Qwen3.5 series, a move that even caught the eye of Elon Musk. Lin Junyang expressed his appreciation for the attention garnered. Alibaba has consolidated its AI endeavors under the Qianwen umbrella. Born in 1993, Lin Junyang stands out as Alibaba's youngest technical leader at the P10 level. A proud alumnus of Peking University, he earned both his bachelor's and master's degrees there. He joined Alibaba's prestigious DAMO Academy in 2019 and rose to become the technical lead for the Tongyi Qianwen series of large models by the end of 2022. This January, he delved into the intricate relationship between foundational models and Agents, sparking insightful discussions.