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.

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.

Trump was joined by SoftBank Group Corp.’s Masayoshi Son, OpenAI’s Sam Altman and Oracle Corp.’s Larry Ellison at the White House to announce the venture, dubbed Stargate, which they said would deploy $100 billion immediately with the goal of eventually spending $500 billion for the construction of data centers and physical campuses.

Elon Musk raises concerns about the Trump-backed $500 billion Stargate AI Project, questioning SoftBank's ability to fund the initiative.

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.

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

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 already casting doubt on OpenAI’s new, up to $500 billion investment deal with SoftBank (SFTBY) and Oracle (ORCL), despite backing from his allies — including President Donald Trump.

Tech titan Elon Musk cast doubt Wednesday on a $500 billion AI project announced by US President Donald Trump, saying the money promised for the investment..

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.