(FILES) Open AI CEO Sam Altman arrives for a US Senate Commerce Committee hearing on artificial intelligence (AI) on Capitol Hill in Washington, DC, on May 8, 2025. Elon Musk's lawsuit accusing high-profile artificial intelligence company OpenAI of betraying its non-profit mission heads for trial on April 27, 2026 with the selection of jurors. The legal clash in a courtroom across the bay from San Francisco pits the world's richest person against a startup Musk once backed and now competes with in the booming AI sector. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)