Overview
- Atlas arrives worldwide on macOS, with Windows, iOS and Android versions listed as coming soon.
- Agent Mode can open pages, click through sites and automate multi‑step tasks, but is in preview for Plus, Pro and Business, with Enterprise and Education available via admin‑enabled beta.
- OpenAI limits the agent’s powers by blocking code execution, downloads, extension installs, app or file‑system access, and by pausing on sensitive sites such as financial institutions.
- Optional browser memories let ChatGPT retain site context; users can review entries, archive items, delete data or block specific sites.
- Alphabet shares fell roughly 2.7% after the announcement, reflecting investor concern about new competition for Chrome.