ChatGPT agent is no longer available. Reinstalling the desktop app will not restore the old surface. OpenAI now separates longer non-code work, repository work, and browser authority across different tools.
Source: [Dev.to](https://dev.to/yan_gao_3ad90a90b26925538/chatgpt-agent-is-gone-how-to-choose-chatgpt-work-vs-codex-p18)