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

Welcome back to Week in Review. This week, we’re looking at OpenAI’s last — and biggest — announcement from its “12 Days of ...

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

OpenAI has introduced its latest AI models, o3 and o3-mini, designed to enhance reasoning, coding proficiency, and ...

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

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

OpenAI ended its “12 Days of OpenAI” product-launch spree by unveiling the successor to its first “reasoning” model.

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 model.

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 ...

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

New OpenAI o3 and o3-mini models introduced excelling in AI reasoning, safety, and adaptability for diverse applications and ...