Elon Musk, CEO of Tesla and SpaceX, has accused OpenAI CEO Sam Altman of having diverted a non-profit foundation they created together in 2015. On Wednesday, he faced his own emails and predictions from the time in court.

A jury is about to weigh whether Sam Altman deceived Elon Musk into funding OpenAI with promises it would operate as a nonprofit for humanity’s benefit. But the legal team for the…

Arguments in the trial over Elon Musk's lawsuit against OpenAI and CEO Sam Altman for becoming a for-profit company begin in California on Tuesday.

Judge Gonzalez Rogers will decide by late May whether OpenAI broke a promise to Elon Musk, or just smartly rode the technology to glory.

The case over OpenAI's history and public commitments could have major implications for the future of AI.

In his lawsuit, Musk said OpenAI cofounder and president betrayed him and public by turning into profit-seeking firm.

Elon Musk is battling it out in court with Sam Altman after a years-long feud over the AI company's history.

OpenAI’s lawyers argue Musk’s lawsuit aims to undermine the company for his competing venture, xAI.

Elon Musk was cross-examined on the third day of the trial over his lawsuit against Sam Altman and OpenAI.

Elon Musk, CEO of Tesla and SpaceX, has accused OpenAI CEO Sam Altman of having diverted a non-profit foundation they created together in 2015. On Wednesday, he faced his own…

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.

Trial continues after heated back and forth during OpenAI’s cross-examination of the Tesla CEO on Wednesday

A benefactor to OpenAI's co-founders – to whom he gave $38 million from 2015 to 2017 – Elon Musk accuses CEO Sam Altman and his partner Greg Brockman of betraying the startup's…

The Musk v. Altman trial tests whether OpenAI’s for‑profit shift was legal — a ruling that could reshape how AI labs raise capital, structure governance and attract investors.

Musk kept his cool, and OpenAI’s lawyer bulldozed him with piercing questions about his motivations for suing the company.

Elon Musk called himself a "fool" in court, warned of a "Terminator" future, and admitted that xAI taps OpenAI's models for its own AI training. Week one of Musk's trial against…

Elon Musk, the world's richest person, took the stand and testified over the course of three days in his trial against OpenAI CEO Sam Altman.