Elon Musk and Sam Altman face off in a $150 billion federal trial over whether OpenAI betrayed its nonprofit founding mission, a verdict that could reshape the future of artificial intelligence.

Elon Musk's outsize reputation, provocative remarks and his friction with a federal judge have dominated the trial in his case against ChatGPT-maker OpenAI.

On Thursday, Elon Musk told a California courtroom that he backed OpenAI with millions of dollars under the belief it would remain a nonprofit focused on humanity. Musk Says OpenAI Abandoned Its Original Nonprofit Mission During cross-examination,

Thanks to the ongoing trial pitting billionaires Elon Musk and Sam Altman against each other, it's come to light that Valve founder Gabe Newell--the third billionaire in this story--emailed Musk to ask if Hideo Kojima could get a tour of SpaceX.

By Deepa Seetharaman and Kenrick Cai OAKLAND, California, April 30 (Reuters) - Elon Musk faced tense questioning and showed frustration on the witness stand on Thursday during a second day of cross-examination by Sam Altman's lawyer in a trial over a lawsuit Musk brought accusing OpenAI of abandoning its mission to develop artificial intelligence for the benefit of humanity.