By Dara Kerr,Nick Robins-Early
Publication Date: 2026-04-30 16:03:00
Elon Musk’s trial against Sam Altman continued on Thursday, after a day of controversy during OpenAI’s cross-examination of the Tesla CEO. Musk faced more aggressive questioning throughout the morning, giving a taste of what might await other prominent witnesses who want to take the stand.
Testimony and evidence have revealed formerly private emails, text messages and diary entries surrounding OpenAI’s founding, providing a behind-the-scenes look at the tech giant’s creation. Many of the tech industry’s most powerful players are called as witnesses and will recount the origins of the bitter feud between Musk and Altman. Altman will testify later in the trial, which will last three weeks.
Musk, co-founder of OpenAI in 2015, argues that Altman, OpenAI and its president Greg Brockman broke a fundamental agreement when they converted the company from a nonprofit organization aimed at improving humanity to a for-profit structure. Musk claims that Altman and…
