"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.

Elon Musk weighed in on one of the first business investment unveilings by President Donald Trump Wednesday, in a move that could suggest friction at the heart of the new administration's focus on America's leadership in the global technology race.

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,

Tech billionaire Elon Musk voiced doubts about President Trump’s newly announced infrastructure plan for artificial intelligence, claiming the technology companies behind the effort do not

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.”

Mr. Trump had claimed the A.I. announcement as an early trophy, taking credit for the companies’ decision to spend up to $500 billion building data centers.

Elon Musk claimed overnight Tuesday that tech giants OpenAI, Oracle and Softbank don’t have enough money to fulfill their high-profile pledge to invest $500 billion in U.S. artificial intelligence infrastructure.

Sam Altman, CEO of OpenAI, sparred Wednesday with Elon Musk over funding for a Trump-backed AI infrastructure project one day after he stood with the president in the White House to announce the project.

The Stargate project has big implications for U.S. AI leadership, but also for who's winning the new president's ear.

Shortly after OpenAI announced a $500 billion AI infrastructure project, Elon Musk took to X to claim the whole thing a sham.The Latest Tech News, Delivered to Your Inbox