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

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

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.

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

On OpenAI's final day of its 12-day livestream event, the ChatGPT maker announced o3 and o3 mini reasoning models available ...

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 ...

CNBC's Kate Rooney reports on OpenAI's final day of 'Shipmas.' The biggest one-hit wonder from each year since the 1960s ...

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

New OpenAI o3 and o3-mini models introduced excelling in AI reasoning, safety, and adaptability for diverse applications and ...

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