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Oct 29, 2025
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ChatGPT Atlas was OpenAI's Mac-only AI browser, switched off on 9 August 2026 after less than ten months, with its browsing features folded into the ChatGPT desktop app and a Chrome extension instead of continuing as a browser.
ChatGPT Atlas is switched off, and opening it will not get you a working browser.
OpenAI shut the service down on 9 August 2026, less than ten months after launching it.
There is nothing on this page to install, and no update is coming that changes that.
What to do instead, in one line.
Install a maintained browser, import the bookmarks file you exported from Atlas, and add the ChatGPT extension if the AI part is what you wanted. The table further down says which browser suits which reason.
What Happened
Atlas launched in October 2025 as OpenAI's own web browser, built around an agent that could read pages and carry out tasks in them. It ran on macOS and only ever on macOS.
OpenAI announced the shutdown on 9 July 2026 and gave people about thirty days to get their data out, then switched it off on 9 August. The company's own explanation was that the browser turned out to be a feature rather than a place people wanted to move into.
The Windows and mobile versions promised at launch never shipped, not even as public test builds. If you came here from an older page saying a Windows version was coming soon, that was true when it was written and it is not going to happen.
The full shutdown story covers the timeline and the data questions in more detail.
Where the Features Went
The agent browsing that made Atlas interesting was not thrown away, it was moved. It now lives in three places, and none of them is a browser you install as your main one.
- The ChatGPT desktop app gained a proper built-in browser, with tabs, downloads and the ability to sign in to sites.
- A ChatGPT extension for Google Chrome reads the page you are on and answers questions about it in a side panel.
- A cloud browser runs on OpenAI's own servers so its agents can go and do things without using your machine.
Which of those you actually get depends on your plan, your region and, on a work account, what your administrator has switched on. Worth checking before assuming something is missing.
What to Install Instead
There is no single replacement, because people used Atlas for two different reasons. Pick on the reason rather than the feature list.
| Browser | What it gives you | Take this if |
|---|---|---|
| Google Chrome | The ChatGPT extension, plus bookmark import in about a minute | You want the Atlas workflow back with the least fuss. This is the closest match. |
| Microsoft Edge | Same engine as Chrome, with an AI panel already built in | You are on Windows and would rather not install an extension at all. |
| Comet Browser | Perplexity's agent browser, the same do-it-for-me idea | The agent was the point and you want a like-for-like replacement. |
| BrowserOS | Open-source Chromium fork running AI agents locally | You want the agent but not the round trip through someone else's server. |
| Vivaldi Browser | Deep control over tabs, panels and layout | What you liked was the interface, not the AI. |
| Zen Browser | A quiet, heavily customisable Firefox-based build | Same as above, but you want fewer things on screen rather than more. |
| Mozilla Firefox | An independent engine, not Chromium | You would like out of the Chromium and big-AI orbit entirely. |
| Brave Browser | Ad and tracker blocking with nothing to configure | You want less tracking and do not want to set anything up. |
| LibreWolf Browser | A hardened Firefox build with the telemetry stripped | Privacy is the whole reason you are moving. |
| Opera Browser | Built-in VPN, ad blocker and AI panel | You would rather have a lot bundled than assemble it yourself. |
The quickest route for most people is the first row: install Chrome, import the bookmarks HTML file you exported from Atlas, add the ChatGPT extension. That gets you a maintained browser and most of what you were doing.
If Your Bookmarks Are Still In There
Nothing transferred automatically. Bookmarks, history, open tabs and saved sessions all stayed inside Atlas, and if you did not export them before 9 August they are no longer reachable.
Your ChatGPT conversations are a separate matter and they are fine. Those were never stored in the browser - they live in your ChatGPT account, exactly where you left them.
Treat exported cookie files like passwords.
If you did export cookies or session files from Atlas, anyone who gets hold of them can walk straight into the accounts you were signed in to. Do not email them around or leave them in a shared folder.
About the Files on the Download Page
The Atlas installer has been removed, because a browser that cannot browse and no longer gets security patches is not something worth handing anybody.
What the download page for this entry now serves is the ChatGPT desktop app for Windows, macOS and Android. That is deliberate - it is where the Atlas browsing features ended up, and it is the closest thing to a direct successor.
If you are on Windows, that app is also the first time any of this has actually been available to you, since the Windows Atlas build never existed.
Who Should Look Elsewhere
The tell is what you liked about it. If Atlas appealed because it was fast and tidy rather than because of the AI, chasing the next AI browser will disappoint you twice - a conventional browser from the table above will serve you better.
If you are on Windows, nothing has changed for you, because Atlas never ran there. Start from the Web Browsers category and choose on the features you actually use.
And it is worth knowing the pattern before you commit to another one. Arc Browser went into maintenance mode, Atlas was switched off, and what happened to the Arc team afterwards tells you how fast this category turns over.
Quick questions
Can I still download and use ChatGPT Atlas?
No. It stopped working on 9 August 2026, it will not browse or run its agent features, and it no longer receives security updates.
Is ChatGPT Atlas coming back?
There is no sign of it. OpenAI moved the browsing features into the ChatGPT desktop app and a Chrome extension rather than pausing development.
Was there ever a Windows version?
No. Atlas ran on macOS only for its entire life, and the Windows and mobile builds announced at launch were never released.
Where did my Atlas bookmarks go?
They stayed inside Atlas. If you exported them to an HTML file before the shutdown you can import that into any browser, and if you did not, they are no longer reachable.
Did I lose my ChatGPT chat history?
No. Your conversations are stored in your ChatGPT account, separately from the browser, and the shutdown did not touch them.
What is the closest replacement?
Chrome plus the ChatGPT extension is the closest thing to the actual Atlas workflow. Comet Browser is the nearest equivalent if you specifically want an AI browser.
Get the ChatGPT desktop app instead, which is where the browsing features went, or tell us what you used Atlas for if you have history with it.
