Elon Musk says he was ‘a fool’ to fund the launch of OpenAI
Billionaire says Sam Altman wanted ‘halo effect’ of a non-profit while enriching himself in second day of his testimony
Billionaire says Sam Altman wanted ‘halo effect’ of a non-profit while enriching himself in second day of his testimony

Opening arguments kick off legal battle over whether the $850bn start-up sold out its non-profit mission

Start-up’s CEO takes the stand in legal battle with billionaire

Testimony from billionaire’s confidante Shivon Zilis reveals wrangling over the future of the AI lab that led to lawsuit

Lawyers for world’s richest man try to paint AI founder as untrustworthy in closing arguments in court case

The world’s richest man has lost in cases ranging from shareholder fraud to claims that his rivals stole AI secrets

Text exchange revealed in court filings came after world’s richest man tried to start last-minute settlement talks