OpenAI released its first open-weight model in years. Analysts say it could narrow China's lead in the open-source AI race.

Charlie Sheen admits he ‘lit the fuse’ that blew his life apart as turbulent past resurfaces ...

OpenAI Chief Executive Officer Sam Altman wants to spend trillions of dollars over time on the infrastructure required to ...

CNBC's MacKenzie Sigalos joins 'Money Movers' to discuss her conversation with Sam Altman as the OpenAI CEO hosted a dinner ...

Current and former employees of OpenAI are looking to sell nearly $6 billion worth of the ChatGPT maker's shares to investors ...

Present and former OpenAI employees are looking to sell nearly $6 billion worth of the ChatGPT maker's shares to an investor ...

Artificial intelligence start-up Cohere has raised $500mn, and hired former executives from Uber and Meta, as it positions ...

The return of GPT-4o comes after what Altman described as OpenAI underestimating "how much some of the things that people ...

OpenAI and its cofounder Sam Altman are preparing to back a company that will compete with Elon Musk’s Neuralink by ...

In March 2026, a jury will hear OpenAI's claims of a "years-long harassment campaign" by Musk via social media, press, and ...

A tiny fraction of users ever touch the ‘thinky’ models built for better answers. Sam Altman’s slip reveals why GPT-5’s big ...

After a rocky GPT-5 launch, GPT-4o is officially back for paying ChatGPT subscribers. OpenAI CEO Sam Altman also promised ...