Altman and Musk were OpenAI’s founding co-chairs in 2015, but their relationship has devolved into name-calling and lawsuits.

OpenAI CEO Sam Altman suggested Elon Musk cares more about his businesses than he does the country, shortly after he referred to Musk as "the most inspiring entrepreneur of our time." ...

A war-of-words between Elon Musk and Sam Altman escalated on social media Thursday, as two of the most powerful men in tech sparred over their rival artificial intelligence initiatives.