Instead of keeping ChatGPT in a separate tab, OpenAI built it straight into the browser itself. The result is a new category people are calling the "AI browser": ChatGPT Atlas. So what exactly is it, how much can it actually do on your computer without you, and what does it take to set up? Let's go through it.
What Is ChatGPT Atlas?
ChatGPT Atlas is a Chromium-based web browser built by OpenAI. From the outside it doesn't look wildly different from Chrome or Edge — tabs, address bar, bookmarks, all in the usual places. The difference is a ChatGPT panel that can stay open on the side at all times: it can see the page you're currently on and summarize it, pull a specific piece of information out of it, or answer questions about what you're viewing. The AI isn't parked in a separate tab anymore — it sits right next to whatever page you're browsing.
How Does Atlas Act on Its Own on a Computer?
The real difference here is "agent mode." When it's turned on, Atlas stops being just a Q&A assistant and becomes something that can actually take action on the page in front of it: clicking links, filling out forms, running searches, and moving between sites to gather information — multi-step tasks it can carry out on its own. You describe a task ("find this product and compare prices," "fill out this form with this information") and Atlas opens the pages and works through the necessary steps itself — the way a person would with a mouse and keyboard, just automated.
It's worth being clear this isn't unlimited autonomy. For sensitive steps — making a payment, logging into an account, sharing personal or financial data — the system typically pauses and asks for your approval. Agent mode is a helper that speeds work up, not a fully independent robot that spends money on your behalf without checking in.
What Do You Need to Use Atlas?
For basic use, you need two things: an OpenAI/ChatGPT account and the official installer from openai.com/atlas. A free ChatGPT account is usually enough to open the browser and use normal browsing, the chat panel and basic summarization. More advanced, multi-step automation features like agent mode tend to be tied to specific ChatGPT plans (Plus, Pro, etc.) over time, and OpenAI can change that access — so check current plan and platform support on openai.com/atlas before you install.
How Do You Set Up ChatGPT Atlas?
Setup isn't different from installing any other browser: download the installer for your OS from openai.com/atlas, run it, then sign in with your ChatGPT account. On first launch you're usually offered the option to import bookmarks, history and (if you choose) passwords from your existing browser, and you'll be asked whether you want to make Atlas your default browser. If you want to use agent mode, you'll need to turn it on separately in settings.
What to Watch For
A browser that can "see" pages and act on them on your behalf also raises new privacy questions. Atlas offers a "memory" feature built from your browsing history — useful for personalized help, but something to keep in mind on sensitive tabs. On sites like banking, healthcare or internal company systems, it's reasonable to keep agent mode off, review your memory/tracking settings, and use a temporary (untracked) window when needed. The feature is powerful, but the safer approach is choosing deliberately which tasks to hand to agent mode rather than automating everything on every page.