On a call with reporters Wednesday previewing the new chatbot, Altman likened GPT-5 to a Ph.D.-level expert. The new chatbot ...

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

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

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

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

The long and short of it: The fight between the tech bros will continue apace. Nothing has been decided in the case, but, as ...

Checkmate: OpenAI's o3 swept Musk's Grok 4 in an AI chess showdown.

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

OpenAI is testing an AI-powered browser that uses Chromium as its underlying engine, and it could debut on macOS first.

The secondary share sale investment adds to SoftBank's role in leading OpenAI's $40 billion primary funding round.

OpenAI made some bold claims when it launched GPT-5, but is ChatGPT truly so much better now? I put it to the test.

OpenAI chief research scientist Jakub Pachocki said Paul Graham's "Hackers and Painters" inspired him when he was 15.