Lin Junyang, head of Alibaba's Qwen artificial intelligence division, announced his resignation Wednesday through a brief X post saying "Bye my beloved Qwen." The departure comes just two days after Alibaba released updated AI products, though no explanation was provided for the sudden exit. Alibaba did not respond to requests for comment.

Qwen's mobile application has experienced explosive growth, climbing to 203 million monthly active users in February from 31.05 million in January. This surge propelled the app to third place globally in AI rankings, behind only OpenAI's ChatGPT and ByteDance's Doubao, according to tracking data from AICPB.com. The growth followed aggressive user acquisition campaigns by Chinese tech giants during the Lunar New Year holidays.

The leadership shakeup at one of China's premier AI divisions raises questions about Alibaba's strategic direction amid intensifying competition in the artificial intelligence sector. With Qwen establishing itself as a major player internationally, Lin's departure creates uncertainty for the division's future development and market momentum.