Nadella’s Courtroom Disclosures Put $100B Microsoft–OpenAI Bet Under the Microscope
Testifying in the Musk v. Altman trial on 12-13 May 2026, Satya Nadella revealed Microsoft has poured over $100 billion into OpenAI and renegotiated the once-exclusive deal into a non-exclusive, 27 % equity stake arrangement that ties OpenAI to buy $250 billion of Azure compute while freeing both sides to build rival frontier models.