Sam Altman finished the OpenAI "12 days of shipmas" with a reveal of ChatGPT o3 and a new method called deliberative ...

Just as OpenAI launched the o3 and o3-mini models for ChatGPT, a report says training for GPT-5 is falling behind and ...

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 announced a new family of AI reasoning models on Friday, o3, which the startup claims to be more advanced than o1 or ...

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

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 ...

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

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

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 ...