
Microsoft CEO Satya Nadella testified in the federal trial where Elon Musk accuses OpenAI and its CEO Sam Altman of violating the company's nonprofit mission. Musk alleges Microsoft aided OpenAI's breach of charitable trust, citing Microsoft's $13 billion investment as a key factor. The lawsuit highlights tensions over OpenAI's shift to a for-profit model and Microsoft's significant stake in the company. The trial continues to explore the complex relationship between Musk, OpenAI, and Microsoft amid concerns about control over AI development.