ChatGPT agent works on its own computer. Build the same with the OpenAI Responses API

What ChatGPT agent does OpenAI started rolling out ChatGPT agent on July 17, 2025, for Pro, Plus and Team users. It combines Operator's ability to click around websites with deep research, and it can use a terminal. (TechCrunch) How it uses a computer: It works in its own isolated environment with a visual browser, a text browser and a terminal. (TechTarget) When a site needs a password, the user switches to takeover mode and types it in themselves. (TechTarget) It asks permission before consequential actions, such as purchases or sending emails.