The Elon Musk-Sam Altman courtroom showdown already promised plenty of fireworks. And in its first week, dominated by the world's richest man taking the stand in a federal courthouse in Oakland, Calif.

Elon Musk said he felt like a "fool" for backing OpenAI, accusing Sam Altman of abandoning the nonprofit's original mission in favor of a profit-driven model.

Elon Musk made repeated references to an AI "Terminator" scenario while testifying before a California federal jury about OpenAI's for-profit move.

On his third day of testimony, Elon Musk will be cross-examined by lawyers from OpenAI and Microsoft. His answers on the stand grew testy on Wednesday.

Elon Musk sued OpenAI, Sam Altman and Greg Brockman in 2024, claiming they reneged on their promise to keep the artificial intelligence lab a nonprofit.

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.

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.

Musk’s king status at the head of the company is the result of some finagling within SpaceX’s filings. Per Reuters, the company’s documents state that Musk “can only be removed from our board or these positions by the vote of Class B holders.” Those are shares that have ten votes apiece, and they’re reportedly currently controlled by Musk.