“The introduction of the o3 models highlights the untapped possibilities of AI reasoning capabilities,” writes Amanda Caswell ...

The cost of new AI models can add up quickly. A new “o3” model from OpenAI costs $20 per task. Why Microsoft is paying close ...

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

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

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

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

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

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

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

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

OpenAI is preparing to launch a new artificial intelligence model that it said is capable of more advanced human-like ...