OpenAI核心旧部，再创业又内讧了

Core Viewpoint - The article discusses the unexpected departure of Barret Zoph from Thinking Machines Lab due to alleged unethical behavior and his swift return to OpenAI, raising questions about the circumstances surrounding his exit and the implications for both companies [4][12][41]. Group 1: Departure and Return - Barret Zoph was reportedly terminated from Thinking Machines Lab due to "unethical behavior" and was quickly replaced by Soumith Chintala as the new CTO [4][5][8]. - Following his termination, Zoph announced his return to OpenAI, expressing excitement about rejoining the team, which had been in preparation for several weeks [12][13][41]. - The rapid transition from Thinking Machines Lab to OpenAI has sparked speculation about the nature of Zoph's departure and the internal dynamics at both companies [16][23][41]. Group 2: Company Dynamics - Thinking Machines Lab, co-founded by Zoph and others, is currently valued at $50 billion, making it one of the hottest startups in Silicon Valley [32]. - The article highlights a trend of co-founders leaving top AI labs, with OpenAI losing 8 out of 11 co-founders and Thinking Machines Lab losing 3 out of 6 [44]. - The internal conflicts at Thinking Machines Lab, particularly regarding Zoph's departure, suggest deeper issues within the company, as it lost a key co-founder [43][44]. Group 3: Background on Barret Zoph - Barret Zoph was a significant contributor to OpenAI, particularly in the development of GPT-4, and had previously worked at Google Brain [26][30]. - His expertise in optimizing foundational models has been crucial for the practical applications of AI technologies like ChatGPT [28][30]. - The return of Zoph, along with Luke Metz and Sam Schoenholz, is seen as a substantial gain for OpenAI, especially after the recent loss of another research vice president [41][42].