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

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

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

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.

CNBC's Kate Rooney reports on OpenAI's final day of 'Shipmas.' The Japanese Engine Redefining How We See Hybrids Brock Purdy ...

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

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 ...

OpenAI's 03 model surpasses human performance on the ARC benchmark, marking a major step toward Artificial General Intelligence (AGI).