Microsoft CEO Satya Nadella testifies today, May 11, 2026, in Elon Musk’s lawsuit against OpenAI. The testimony focuses on Microsoft’s significant investment and OpenAI’s transition from a non-profit to a for-profit entity.
Questioning will examine internal Microsoft communications regarding the decision to back the AI company. Musk alleges OpenAI betrayed its original mission through the Microsoft partnership.
OpenAI CEO Sam Altman is scheduled to testify later this week. The trial’s outcome could significantly impact the future partnership between Microsoft and OpenAI.