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

The latest AI model from OpenAI achieved an “impressive leap in performance” but it still hasn’t demonstrated what experts ...

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

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

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

OpenAI said on Friday it was testing new reasoning AI models, o3 and o3 mini, in a sign of growing competition with rivals ...

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

On Friday, ChatGPT-maker OpenAI unveiled its next-generation reasoning model, o3, as the successor to o1, capping off the ...

The artificial intelligence start-up said the new system, OpenAI o3, outperformed leading A.I. technologies on tests that ...

The new o3 models did so well on a prominent benchmark that some immediately questioned whether OpenAI had in fact achieved ...

OpenAI has just confirmed that is releasing new reasoning models named o3 and o3-mini, successors to the o1 and o1-mini models.

For 12 days straight, OpenAI unveiled 'new things, big and small.' Here's what's new today and a full round-up of all the ...