OpenAI has quietly reversed a major change to how hundreds of millions of people use ChatGPT. On a low-profile blog that tracks product changes, the company said that it rolled back ChatGPT’s model ...
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 ...