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

OpenAI has unveiled a slew of new products, models, features, and services over the past two weeks as part of 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.

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

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 ...

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

Most notably, there’s co-founder Elon Musk, who now runs rival startup xAI, and is in the midst of a heated legal battle with ...

Italy's data protection agency said on Friday it fined ChatGPT maker OpenAI 15 million euros ($15.58 million) after closing ...

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

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

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