On Thursday, OpenAI announced GPT-5 and three variants—GPT-5 Pro, GPT-5 mini, and GPT-5 nano—what the company calls its “best AI system yet,” with availability for some of the models across all ...

OpenAI's latest GPT-5 model promises to be the most advanced AI assistant yet, but for the millions of workers using Microsoft Copilot for their daily routines, the reality is a bit more nuanced.