President Donald Trump talked up a joint venture investing up to $500 billion for infrastructure tied to AI by a new partnership formed by OpenAI, Oracle and SoftBank.

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.

OpenAI CEO Sam Altman called Stargate, “the most important project for this era” and promised that all of the new investment his company was making would help cure diseases. Altman was actually prompted by Trump to talk about the medical advances that AI would supposedly figure out.

Elon Musk openly questioned whether companies that joined President Donald Trump’s announcement promising hundreds of billions of dollars in artificial intelligence infrastructure could follow through on their promises,

Last month, Trump announced with SoftBank's Son in Mar-a-Lago that SoftBank would invest $100 billion in US projects over the next four years, creating 100,000 jobs. Those investments will focus on infrastructure that supports AI, including data centers, energy generation, and chips, according to a source.

OpenAI CEO Sam Altman, SoftBank CEO Masayoshi Son and Chairman of Oracle appeared is set to appear at the White House Tuesday afternoon alongside President Donald Trump and other tech CEOs to announce a massive private sector investment in artificial intelligence infrastructure in the United States.

Altman took to X to dispute Musk's characterisation on Wednesday, calling it wrong and suggesting Musk was upset because the pact could rival the billionaire's own AI efforts

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,

On his first full day in office, President Donald Trump announced a half-trillion-dollar AI initiative that will begin at Abilene's Lancium campus.

The initiative announced by President Donald Trump will aim to "secure American leadership in AI" while also creating jobs and economic benefit.

Trump announced Tuesday that OpenAI, Softbank and Oracle would join forces to create Stargate, a new company investing $500 billion in AI infrastructure.