Over 700 OpenAI employees signed a letter demanding the board's resignation. The dismissal of Ultraman sparked infighting, with Microsoft CEO Satya Nadella trying to retain key staff. Microsoft may establish a new senior AI team. Ilya is accused of being the mastermind behind the internal conflict, as employees oppose the board's decisions. Amid an exodus, core members include the head of GPT-4 and the head of the AI risk assessment team.