Sam Altman's comments came amid a flurry of online exchanges between himself, Musk, and Microsoft over the $500 billion Stargate Project announced by Trump.

"I genuinely respect your accomplishments and think you are the most inspiring entrepreneur of our time," Altman wrote in an X post to Musk.

The world's richest man went on a social media tirade against the Open AI chief executive for his former stance on Donald Trump.

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

The Stargate project, led by OpenAI's Sam Altman - to build the "world's largest AI infrastructure" - was announced by Donald Trump at a special press conference at the White House. Elon Musk, however,

The lawmakers suggested the companies used contributions to “cozy up” to President-elect Donald Trump’s administration to avoid regulatory scrutiny.

President Donald Trump talked up a joint venture investing up to $500 billion for infrastructure tied to AI by a new partnership formed by OpenAI, Oracle and SoftBank.

Elon Musk is clashing with OpenAI CEO Sam Altman over the Stargate artificial intelligence infrastructure project touted by President Donald Trump, the latest in a feud between the two billionaires

OpenAI CEO Sam Altman, Oracle founder Larry Ellison and SoftBank CEO Masayoshi Son comment on President Trump’s Stargate AI investment project in an interview with FOX News anchor Bret Baier on ‘Special Report.

The president said he’s also open to another tech giant to acquire TikTok: Larry Ellison, co-founder of Oracle. Ellison was present at the White House for a $500 billion AI infrastructure partnership between the Trump administration and OpenAI, Softbank and Oracle. Oracle, a software company, houses most of TikTok's servers

He doesn’t sound intimidated, after giving to Trump’s inaugural.