OpenAI CEO Sam Altman's decision to join President Trump's "Stargate" AI initiative marks a stark reversal for the tech CEO, ...

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

President Trump welcomed OpenAI CEO Sam Altman to the White House, marking a dramatic escalation in Altman’s rivalry with ...

President Donald Trump spoke with OpenAI CEO Sam Altman by phone Friday, ahead of the AI infrastructure announcement, CNBC ...