10B is what this article says https://www.semafor.com/article/01/09/2023/microsoft-eyes-10-billion-bet-on-chatgpt https://www.semafor.com/article/01/09/2023/mi

10B is what this article says https://www.semafor.com/article/01/09/2023/microsoft-eyes-10-billion-bet-on-chatgpt https://www.semafor.com/article/01/09/2023/microsoft-eyes-10... Also mentions a profit distribution, where MS would get the majority of profit until its investment is paid back