[DeepSeek-V4 Technical Report Author List Released, Several Key Members Depart for Major Companies] According to a report by IT Home on April 28, as cited by Jinse Finance, DeepSeek released a 58-page V4 technical report last week, drawing attention with a nearly 300-person 'Research and Engineering' author list. The founder, Liang Wenfeng, is listed alongside all researchers and engineers. Among the names, 10 individuals are marked as 'departed,' including key members such as Wang Bingxuan, Wei Haoran, and Guo Daya. It is reported that since the second half of 2025, at least five core R&D members have confirmed their departure from DeepSeek. Sources indicate that Wang Bingxuan, the core author of DeepSeek's first-generation large language model, has joined Tencent; Luo Fuli, a key contributor to V2, has been recruited by Xiaomi; Guo Daya, a core researcher of R1, has joined ByteDance's Seed team; Ruan Chong, a core researcher in multimodal technology, has left to join the autonomous driving technology company Yuanrong Qixing; and Wei Haoran, a core author of the OCR series, has also departed, though his next destination has not yet been disclosed. These core R&D members were involved in four major technical areas: foundational models, inference, OCR, and multimodal technologies.