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

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 that started on OpenAI’s board and is now testing Musk’s influence with the new presidential administration.

Elon Musk, the close Trump adviser who has his own AI company and was notably not at the press conference, erupted Wednesday with a relentless stream of online mockery. “They don’t actually have the money,

US President Donald Trump on Tuesday said he would be supportive of the world's richest man and his close aide, Elon Musk, buying TikTok "if he wanted to". Trump was asked if he would be open to the billionaire founder of Tesla buying the short-video platform facing a nationwide ban in the US after the Supreme Court last week upheld a law requiring TikTok to sever ties with its Chinese parent ByteDance.

He previously floated a joint venture, saying that the US should be entitled to half of the app.