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

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

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

OpenAI CEO Sam Altman announced o3 and o3-mini, the successors to its o1 and o1-mini “reasoning” models. The company is not ...

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

OpenAI has unveiled a preview of its new o3 reasoning models that CEO Sam Altman said, immodestly, begin the “next phase” of ...

The o3-mini variant, also announced Friday, includes an adaptive thinking time feature, offering low, medium, and high ...

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

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 announced a new o3 reasoning model and it has become the first AI model to crack the hallowed ARC-AGI benchmark.

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

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