President Donald Trump spoke with OpenAI CEO Sam Altman by phone on Friday, ahead of the AI infrastructure announcement, CNBC has learned.

The tech leader and his family denied Ann Altman's accusations in a statement that was posted online just as the lawsuit went public.

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.

Vantage with Palki Sharma Sam Altman, head of OpenAI and the force behind ChatGPT, is at the centre of a legal battle following disturbing allegations from his sister, Ann Altman. Filed in a Missouri court,

Salesforce CEO Marc Benioff said that the two AI leaders, Sam Altman and Mustafa Suleyman do not care for each other.

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

Elon Musk and Sam Altman publicly dispute the feasibility of 'Stargate,' a $500 billion AI infrastructure project in the US. Musk claims the necessary capital isn't available, while Altman defends the project's viability.

Google has agreed to a new investment of more than $1 billion in generative AI startup Anthropic, a person familiar with the situation confirmed to CNBC.

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.

US President Donald Trump has announced a $500 billion private-led artificial intelligence infrastructure investment called “Stargate,” which aims to build AI data centers across the country. Trump said in a Jan.

President Donald Trump speaks in the Roosevelt Room at the White House, Tuesday, Jan. 21, 2025, in Washington, as Softbank CEO Masayoshi Son, Oracle chief technology officer Larry Ellison and OpenAI CEO Sam Altman, listen. (AP Photo/Julia Demaree Nikhinson)