The issue of overwork among OpenAI employees has recently garnered attention once again. Jason Wei, a former Google engineer and member of OpenAI's Chain of Thought project team, revealed on social media that he works close to 16 hours a day, from 9 a.m. to 1 a.m. the following morning. Insiders point out that the problem of overwork among OpenAI team members has a long history, with GitHub submission records showing that many employees are in a state of round-the-clock work. Previously, when core employees left, they also mentioned that the company's work intensity far exceeded the normal 996 schedule. After the explosive popularity of ChatGPT, these issues have become more pronounced. Analysis suggests that the company's sense of mission and the immense work pressure brought by ChatGPT are the reasons why employees are "willingly" working overtime. This overwork pattern warrants attention.