OpenAI CEO Sam Altman posted a picture of himself with Microsoft CEO Satya Nadella on Tuesday and suggested the two companies are getting along just fine.

Sam Altman's OpenAI launched ChatGPT Gov on Tuesday, which the company said government agencies could use to input sensitive information.

OpenAI CEO and co-founder Sam Altman called Chinese artificial intelligence startup DeepSeek “impressive,” while shrugging off concerns the startup could threaten OpenAI’s

OpenAI CEO Sam Altman called Chinese startup DeepSeek's R1 AI model "impressive" on Monday, but emphasized that OpenAI believes greater computing power was key to their own success.

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

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.

OpenAI CEO Sam Altman has broken his silence on the Chinese startup DeepSeek that sent shockwaves through Silicon Valley when it released its AI model R1.

Helion’s nuclear fusion promises have garnered the attention of Silicon Valley—and raised concerns amongst scientists wary of its aggressive timeline.

Seattle-area company Helion Energy gets $425 million from investors including Sam Altman and Softbank to pursue clean energy's "Holy Grail."

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 billionaires that started on OpenAI’s board and is now testing

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