Sou Hu Cai Jing·2025-12-30 19:13Core Insights - The news reports that Zhou Guorui, the head of Kuaishou's large model division, is set to leave the company, with his future plans currently unknown [2][4]. Company Overview - Zhou Guorui is a significant figure at Kuaishou, having held the position of Vice President and head of foundational large models and recommendation models [2][4]. - His LinkedIn profile indicates that he holds both bachelor's and master's degrees from Beijing University of Posts and Telecommunications, specializing in information and communication engineering [6]. Career Background - Prior to joining Kuaishou in 2021, Zhou worked at Alibaba's advertising division, focusing on deep learning applications in advertising ranking and model optimization [7][10]. - At Kuaishou, he advanced from the position of recommendation algorithm vice president to leading the large model and recommendation model teams [10]. Key Contributions - Zhou was instrumental in the development of the OneRec architecture, which significantly restructured the recommendation system, achieving larger models with lower costs [11][12]. - The OneRec system reportedly reduced operational costs to about one-tenth of previous levels while enhancing performance across various core business scenarios, including short video recommendations and e-commerce [12][14]. Future Implications - The immediate impact of Zhou's departure on Kuaishou's AI strategy is expected to be limited due to the established stability of the OneRec architecture and the company's commitment to self-developed recommendation models [18]. - However, the long-term effects may include challenges in technology iteration speed and potential instability in technical direction due to the loss of core talent [18].