Cristian Ponce was wearing an Indiana Jones costume when he met his co-founder Théo Schäfer. It was at a Halloween party in ...

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

OpenAI’s efforts to develop its next major model, GPT-5, are running behind schedule, with results that don’t yet justify the ...

Welcome back to Week in Review. This week, we’re looking at OpenAI’s last — and biggest — announcement from its “12 Days of ...