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

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

OpenAI CEO Sam Altman announced o3 and o3-mini, the successors to its o1 and o1-mini “reasoning” models. The company is not ...