Musk and Altman face off in court over OpenAI's future.

A legal battle between Elon Musk and OpenAI CEO Sam Altman is unfolding in Oakland, California, with jury selection underway. Musk claims Altman betrayed the company's original nonprofit mission by shifting toward profit, while OpenAI denies the allegations. The trial, which began April 2026, could shape future AI governance and corporate accountability.