Up to 20 people can now be added to a group chat in ChatGPT. The responses are powered by GPT-5.1 Auto. The feature is available to logged-in users and is rolling out globally. AI has officially ...
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 ...