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

OpenAI has launched the test phase for its new reasoning AI models, o3 and o3 mini, aiming to advance problem-solving and ...

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

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

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 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.

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

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

OpenAI concluded its "12 Days of OpenAI" event by launching the o3 reasoning model, a major upgrade over its predecessor o1, ...

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