A preview version of OpenAI’s o1 reasoning model achieved higher accuracy than hundreds of board-certified doctors in six diagnostic and management reasoning experiments, according to a *Science* ...

Sam Altman and Elon Musk are facing off in a high-stakes trial that could alter the future of OpenAI and its most well-known ...

The Musk v. Altman trial tests whether OpenAI’s for‑profit shift was legal — a ruling that could reshape how AI labs raise ...

Elon Musk sued OpenAI, Sam Altman and Greg Brockman in 2024, claiming they reneged on their promise to keep the artificial ...

Sam Altman suggested it would be released more widely than a rival offering from Anthropic. Some are suggesting it’s because ...

OpenAI's newest model, ChatGPT 5.5, has finally "dropped the clipboard," says one user who's been missing ChatGPT 4o's ...

In court, Musk argues OpenAI betrayed its nonprofit founding mission. He’s demanding more than $150 billion in financial ...

In a federal courtroom in California on Thursday, Elon Musk testified that his own AI startup, xAI, has used OpenAI’s models ...

While answering questions under oath, Musk argued it’s standard practice for AI labs to use their competitors’ models.

Researchers based at Harvard Medical School and Beth Israel Deaconess Medical Center found that an AI reasoning model, ...

OpenAI's most powerful model, GPT-5.5, is now running on Amazon Web Services for the first time. The launch comes one day ...