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Written by AI from the official notes. Check them for exact details.ChatGPT browser extension now supports more browsers and introduces new site tools and cloud sign-in features.
- ChatGPT extension now available in Edge, Brave, Opera, and Vivaldi.
- Site tools allow interaction with web pages in the desktop app.
- Cloud sign-in for supported websites on eligible plans.
Why it matters: Users of ChatGPT and Codex should explore these new features for enhanced functionality and convenience.
Full release notes3 changes
- More browsers: Use the ChatGPT browser extension in Microsoft Edge, Brave, Opera, and Vivaldi, as well as Chrome. Set up your browser in Settings > Computer Use in the ChatGPT desktop app. All five support tab mentions and browser control; Opera doesn't support side chat.
- Site tools (WebMCP): In the desktop app's built-in browser, ChatGPT Work and Codex can use tools provided by a website to work with the page. Use GPT-5.6 Sol or GPT-5.6 Terra and update to the latest desktop app. Site tools aren't available with GPT-5.6 Luna or in Enterprise or Edu workspaces.
- Cloud browser sign-in: On eligible plans, ChatGPT Work on the web, iOS, and Android can ask you to sign in to a supported website through the cloud browser. Enter your details in the sign-in flow, not in the chat. Cloud browser sessions stay separate from your local browser. Website sign-in isn't available for Enterprise or Edu workspaces.
Availability depends on rollout and workspace settings. Website-access and action-confirmation requirements still apply.