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 tech billionaires that started on OpenAI's board and is now testing Musk's influence with the new president.

The social media war between billionaire tech mogul Elon Musk and OpenAI CEO Sam Altman is heating up with Musk calling the latter a 'liar' on Thursday (January 21). The latest post from Musk on social media platform X,

Altman said that a project like Stargate might not have been possible with "a different president."

The Stargate project represents a bold step toward reshaping America’s AI future. Despite criticism and scepticism from industry leaders like Elon Musk, proponents such as Sam Altman remain confident in its transformative potential.

OpenAI, Oracle, SoftBank, and MGX are the lead partners in Stargate, according to OpenAI.

In his posts on X, Musk shared some posts, indicating that Altman is a leftist and a progandist. Although Musk himself does not use the words, he reposted some of the posts with cryptic comments. Musk shared a post, which alleged that Sam Altman and OpenAI are funding Axios, which pushes against Trump and anti-American propaganda.

OpenAI CEO Sam Altman will brief U.S. officials on super-agents—AI systems set to revolutionize software development, finance, and event planning.

Musk and Altman already locked in a legal battle and head competing AI firms. The latest sparring match started over the $500 billion Stargate AI project

At a press conference capping his first full day back in the White House, Donald Trump stood beside three of the most influential executives in the world—Sam Altman of OpenAI, Larry Ellison of Oracle,

With speculation online about OpenAI having reached the AGI stage of ChatGPT development, Sam Altman says that's not what's happening.

On his X account, Sam Altman posted a letter signed by Democratic senators concerned about the ways tech companies appear to be bending to Trump’s wishes.