Reasoning models are supposed to fact-check themselves by producing a step-by-step plan to find a correct answer.

Sam Altman, OpenAI’s CEO, quipped about the model’s name, referencing Telefónica’s O2 cellular network in Europe and OpenAI’s ...

OpenAI saved its biggest announcement for the last day of its 12-day "shipmas" event. On Friday, the company unveiled o3, the ...

For the last day of ship-mas, OpenAI previewed a new set of frontier “reasoning” models dubbed o3 and o3-mini. The Verge ...

CEO Sam Altman closed out the 12 Days of OpenAI event Friday with a first look at the company's upcoming o3 reasoning model.

OpenAI marked the conclusion of its “12 Days of OpenAI” announcements with the introduction of two advanced reasoning models: ...

A day after Google announced its first model capable of reasoning over problems, OpenAI has upped the stakes with an improved ...

OpenAI could be about to announce its most powerful AI model to date on the final day of its 12 Days of OpenAI extravaganza.

OpenAI unveiled its latest reasoning model, o3, on the last day of its 12-day "shipmas" event. The new model is an improved ...

On the last day of its 12 days of OpenAI, a holiday-themed campaign in which OpenAI livestreams a new demo or product launch ...

After nearly two weeks of announcements, OpenAI capped off its 12 Days of OpenAI livestream series with a preview of its next ...

OpenAI announced the new artificial intelligence modelon the last day of its 12-day “shipmas” event.The AI company unveiled ...