Elon Musk tried to recruit Sam Altman for role at Tesla before falling out at OpenAI
Testimony from billionaire’s confidante Shivon Zilis reveals wrangling over the future of the AI lab that led to lawsuit
Testimony from billionaire’s confidante Shivon Zilis reveals wrangling over the future of the AI lab that led to lawsuit

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

Lawsuit brought by Elon Musk heads into final week in court, with Sam Altman due to testify

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

Billionaire says Sam Altman wanted ‘halo effect’ of a non-profit while enriching himself in second day of his testimony

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

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