Overview
- Atlas is available globally on macOS now, with Windows, iOS and Android releases planned soon.
- Core features include a persistent ChatGPT sidebar for page summaries and analysis, optional browser memories, and cursor-invoked help inside emails and documents.
- Agent Mode can execute multi-step tasks such as booking travel or completing forms with user confirmation, and it is in preview for Plus, Pro and Business accounts.
- The browser runs on Chromium and adds safety controls like site-level permissions, pausing on sensitive pages, and limits on code execution, file access and system actions.
- OpenAI provides one-click imports of Chrome bookmarks, passwords and history to ease switching, and Alphabet shares fell after the announcement with reports of intraday losses near 5% and a 2.21% close.