OpenAI CEO Sam Altman's decision to join President Trump's "Stargate" AI initiative marks a stark reversal for the tech CEO, who previously was a vocal critic of Trump.

OpenAI Chief Executive Officer Sam Altman welcomed the debut of DeepSeek’s R1 model in a post on X late on Monday.

Sam Altman-backed Retro Biosciences is raising $1 billion to develop drugs that extend human lifespan by 10 years, the FT reports.

The latest spat began after Altman joined Trump, SoftBank CEO Masayoshi Son, and Oracle Chairman Larry Ellison in a White House ceremony on Tuesday to announce the launch of Stargate, a $500 billion venture to advance the United States’ artificial intelligence infrastructure.

Sam Altman, co-founder and C.E.O. of OpenAI, speaks during the New York Times annual DealBook summit at Jazz at Lincoln Center on December 04, 2024 in New York City ...

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

Elon Musk threw shade at OpenAI’s Sam Altman on Tuesday after his rival took center stage at the White House to unveil his ambitious $500 billion “Stargate” AI infrastructure project.

OpenAI CEO Sam Altman has made several predictions about where we're headed on AGI, superintelligence, agentic AI — and when we might get there.

Elon Musk's criticism of President Trump's $500 billion Stargate AI initiative has sparked outrage among White House aides.

Elon Musk “very much” overstepped his bounds when he criticized a $500 billion artificial intelligence project touted by President Donald Trump, according to a White House official as aides are reportedly “furious” with the tech mogul while allies lament that he “abused the proximity to the president.”

Musk has emerged as one of Trump’s closest allies in recent months and is set to lead the new Department of Government Efficiency to cut down on government spending. He rarely has spoken out against any of Trump’s initiatives since endorsing him over the summer.

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.