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 ...

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.

After nearly two weeks of announcements, OpenAI capped off its 12 Days of OpenAI livestream series with a preview of its next ...

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

OpenAI CEO Sam Altman saved the biggest reveal for the final day of the company's 'Shipmas' campaign: A preview of its most ...

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 ...