"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 and OpenAI CEO Sam Altman are fighting on X about Stargate, the infrastructure project to build data centers for OpenAI in the U.S.

Tesla Inc. CEO Elon Musk cast doubt Wednesday on the ambitious $500 billion Project Stargate, hours after its announcement, claiming lead investor SoftBank Group SFTBY -0.36% + Free Alerts SFTBF + Free Alerts has “well under $10B secured.”

Elon Musk asked a judge to block OpenAI's attempt to transition from nonprofit to for-profit. It's not the first time he's feuded with CEO Sam Altman.

Elon Musk has expressed doubts about the financial feasibility of the $500 billion Stargate AI Project announced by President Donald Trump. The project, led by OpenAI and SoftBank, aims to build AI infrastructure across the US,

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 th

Elon Musk and Sam Altman traded barbs on social media Wednesday after the OpenAI boss took center stage at the White House to unveil his ambitious $500 billion “Stargate” AI infrastructure project. Appearing alongside Oracle executive chairman Larry Ellison and Softbank CEO Masayoshi Son,

U.S. President Donald Trump announced Stargate, a $500 billion AI infrastructure project that's expected to provide 100,000 jobs and boost the American economy, but Elon Musk believes the three companies leading the project don't have the funds.