OpenAI unveiled GPT-5.4, its newest reasoning model, alongside a ChatGPT-powered add-in for Microsoft Excel. The tool lets ...

ChatGPT is launching group chats globally to all users on Free, Go, Plus, and Pro plans, OpenAI announced on Thursday. The move comes a week after the company began piloting the feature in select ...

ChatGPT has quietly changed how it works. It is no longer limited to answering questions or writing text. With built-in apps, ChatGPT can now connect to real services you already use and help you get ...

OpenAI introduced ChatGPT Atlas, a new internet browser, on Oct. 21. Atlas features include a ChatGPT sidebar, writing aids and browser memories. The browser also works with OpenAI's agent mode, which ...