How Elon Musk and Sam Altman went from besties to bitter rivals
A combination photo shows CEO of OpenAI Sam Altman (L) on April 28, 2026 and Elon Musk on April 29, 2026 during the trial in Elon Musk’s lawsuit over OpenAI for-profit conversion at a federal courthouse in Oakland, California, U.S. Manuel Orbegozo | Reuters In December 2015, Elon Musk and Sam Altman sat together at...






