7 Best AI Browsers in 2026, Compared (And 3 That Shut Down)

Table of contents

• What an AI browser actually is
• AI browsers compared: price, platform, status
• 1. Perplexity Comet
• 2. ChatGPT desktop app and Chrome extension
• 3. Microsoft Edge
• 4. Google Chrome with Gemini
• 5. Opera Neon
• 6. Dia
• 7. Brave Leo
• 3 AI browsers that shut down or stalled
• The security problem most roundups skip
• What agentic browsing means for your website
• How to choose one
• Frequently asked questions
• Bottom line

What an AI browser actually is

An AI browser puts a language model inside the browser itself, with access to the pages you have open and the accounts you are signed in to. That access is the whole point, and it is also what separates these products from a chatbot in another tab.

Three levels of capability are sold under the same label, and the difference matters when you compare prices:

• Summarizing. The assistant reads the current page or several tabs and answers questions about them. Every product below does this, and it is almost always free.
• Drafting. The assistant writes in the page, replies to email, or fills a form using what it read. Common, usually free.
• Acting. The assistant completes a multi-step task on your behalf: booking, buying, filing, moving data between sites. This is what people mean by an agentic browser, and it is the part vendors charge for or restrict.

An AI web browser that only summarizes is a convenience. One that acts is a different category of tool, with a different risk profile, which is why the security section below matters more than the feature checklists.

If you are comparing the answer engines behind these browsers rather than the browsers themselves, our breakdown of the AI search engines we tested and ranked covers that side separately.

AI browsers compared: price, platform, status

Every price and platform figure below was taken from the vendor’s own page on September 30, 2026. This category changes monthly, so check the vendor before you commit a team to one.

1. Perplexity Comet

The Comet browser is the closest thing to a finished agentic browser you can install today without paying. Perplexity’s own page lists it as available for Mac, Windows, iOS and Android, which is the widest coverage in this comparison, and states plainly: “We will always provide a free version of Perplexity for all users, and that will include Comet.”

That is a significant change in a short time. Comet arrived in July 2025 tied to Perplexity’s $200 per month Max plan, and the paywall came down over the following months. If you evaluated Comet on price in 2025 and rejected it, the reason you rejected it no longer exists.

In practice the assistant is built around delegation rather than chat. It will compare how several outlets covered the same story, draft a reply that references your calendar, work through a syllabus, or run a shopping task end to end. The research use case is the one it does best, and it is the one worth adopting first.

The catch: Comet is also the browser with the most publicly documented prompt injection research against it, covered below. That is partly a function of being the most studied product in the category rather than the least careful one, but it is not a detail to skip if you plan to let it touch company accounts.

2. ChatGPT desktop app and Chrome extension

This is where OpenAI’s browser ambitions actually live now. When Atlas was discontinued, OpenAI pointed users to two things: the ChatGPT desktop app for what it calls browser-based agentic work, and a ChatGPT extension or sidebar for Chrome.

The desktop app is explicitly built to cover what a browser needs, with multiple tabs, downloads, improved navigation and account login support. The Chrome extension is the lighter option, and keeps ChatGPT alongside the browser you already use rather than replacing it.

For most teams the extension is the sensible starting point, because it does not ask anyone to change browsers. If your organization already standardizes on ChatGPT, this path also avoids adding another vendor to review.

The catch: OpenAI notes that availability depends on your plan, region, device, browser and workspace settings, so confirm your own workspace has it enabled before planning around it. If you are already building on OpenAI’s platform, our guide to the ChatGPT Ads Manager covers the advertising side of the same ecosystem.

3. Microsoft Edge

Edge is the pragmatic corporate answer, and it got simpler in 2026. Microsoft retired Copilot Mode as a separate mode in May 2026, about ten months after launching it, and moved the capabilities into the browser itself on desktop and mobile. Multi-tab reasoning, Journeys, Voice and Vision now ship as part of Edge rather than as an opt-in mode.

The practical effect is that there is nothing to enable and nothing extra to buy. AI features are free and present by default, and the Microsoft 365 integration is the real differentiator for companies whose documents and mail already sit in that tenant.

The catch: Edge summarizes and drafts well but does not go as far as Comet or Neon on completing multi-step tasks. If your goal is genuine automation rather than assistance, Edge alone will not get you there.

4. Google Chrome with Gemini

Chrome is the option most people will end up using by default, and the pricing detail is the one to understand. Gemini in Chrome is free. Auto browse, the feature that actually completes multi-step chores like shopping, scheduling and digital paperwork, is limited to Google AI Pro and Ultra subscribers.

Google has also restricted the rollout: auto browse launched for subscribers in the United States, with a minimum of 4 GB of RAM and an English-US device language. If your team is outside the US, the agentic half of Chrome is not available to you yet regardless of what you pay.

The catch: free Gemini in Chrome is closer to Edge than to Comet in what it will do unsupervised. Compare Chrome’s paid tier against Comet’s free tier before assuming the incumbent is the cheaper choice.

5. Opera Neon

Neon is the most openly agent-first product here. Opera describes it as “a browser built to act,” and it is the one browser in this list that charges directly for that: $19.90 per month for the agentic functionality, while ordinary browser features including the VPN and ad blocking are included without a subscription.

What justifies the price for some teams is parallelism and extensibility. Neon runs different agents for different outcomes, from building an agenda to researching a topic to generating a document, and it lets you connect your own agents over MCP or a CLI. That last point is the one that matters if you have already built internal automations and want a browser that can call them.

If you are at that stage, the architecture questions are the same ones covered in our guide to orchestrating multiple AI agents.

The catch: you are paying monthly for something Comet currently gives away. Neon earns its fee only if you genuinely need several agents running at once or want to plug in your own.

6. Dia

Dia is the best-designed browser in this comparison and the most limited in reach. It is free to download, built by The Browser Company of New York, and integrates with the tools a small team actually lives in, with connections to Slack, Notion, Google Calendar and Gmail added during 2026. There is a Dia for Work tier that adds SSO and admin controls, though the company does not publish its price.

The catch, and it is a hard one: Dia is macOS only, with Windows listed as coming soon. For a mixed-hardware company that rules it out as a standard. There is also history to weigh here, because the same company sunset Arc to build Dia, which is covered next.

7. Brave Leo

Leo is the choice when the assistant’s appetite for your data is the thing you are worried about. Brave positions Leo as privacy-preserving, it is free to use, and it runs on the widest set of desktop platforms here including Linux, plus iOS and Android. Leo Premium costs $14.99 per month or $149.99 per year, with a seven-day trial, and adds access to stronger models, higher rate limits and early features.

Leo is also the most credible voice on the risks in this category, because Brave’s own security team produced the research that defined them. A browser vendor publishing detailed attacks against a competitor’s agent is unusual, and it is the reason the security section below can cite something concrete rather than speculation.

The catch: Leo does not complete tasks for you. It is an assistant, not an agent. That is a deliberate trade, and for many businesses it is the right one, but do not buy it expecting automation.

3 AI browsers that shut down or stalled

This is the part that dates most roundups on this topic, including several currently ranking. One widely shared comparison published in March 2026 still lists ChatGPT Atlas as an active option with its subscription price, and recommends Arc, without mentioning that one was being wound down and the other had stopped development.

ChatGPT Atlas: launched October 2025, dead August 9, 2026

Marketed as ChatGPT Atlas and referred to almost as often as OpenAI Atlas, the Atlas browser was the highest-profile AI browser of 2025 and lasted about nine months. OpenAI announced the wind-down on July 9, 2026 and Atlas stopped working on August 9, 2026, giving users roughly 30 days. OpenAI’s position is that it is moving browser-based agentic capability into ChatGPT and Codex instead.

If anyone on your team is still on it, the migration details matter. Bookmarks do not transfer automatically and have to be exported to an HTML file and imported elsewhere. Open tabs and history do not transfer. Cookies and active sessions cannot be imported into another browser at all. OpenAI’s own guidance is blunt about why waiting is a bad idea: “Browsers require ongoing security maintenance, and we do not want users to remain on a discontinued browser that may degrade or stop receiving security updates.”

Edge Copilot Mode: retired May 2026

This one is a rebrand rather than a loss. Microsoft retired Copilot Mode in May 2026, roughly ten months after its July 2025 launch, and distributed its features through Edge itself on desktop and mobile. Nothing was taken away. But if you are following a guide that tells you to turn on Copilot Mode, that instruction no longer applies.

Arc: still running, no longer developed

The Browser Company stopped active development on Arc in 2025 to focus on Dia. Arc still works and still receives Chromium security updates, and no shutdown date has been announced, but no new features are coming. Atlassian then acquired The Browser Company for $610 million, with the deal closing in October 2025.

A frozen browser that still gets security patches is a reasonable thing for an individual to keep using. It is a poor thing to standardize a company on.

The security problem most roundups skip

Search for AI browsers and the results are mostly feature comparisons. Search for whether they are safe and the results come from CrowdStrike, Palo Alto Networks and security research teams. That gap is the most useful thing to understand before rolling one out.

The core issue is indirect prompt injection. Brave’s security team documented it against Perplexity Comet in August 2025. Comet fed webpage content to its language model without separating the user’s instructions from untrusted text on the page, which meant an attacker could hide instructions in a page using white text, HTML comments or spoiler tags. When the user asked the assistant to summarize that page, the model treated the hidden text as commands.

The reason this is serious rather than annoying is what the assistant can reach. It runs with your authenticated permissions, so instructions planted on an unrelated webpage can drive actions against sites you are logged in to, including email, cloud storage, banking and internal systems. Brave followed up in October 2025 showing the same class of attack delivered through screenshots, using text too faint for a person to notice but readable by the model, which bypasses text-based input filtering.

Brave’s own conclusion was that this is not one vendor’s bug: “The attack we developed shows that traditional Web security assumptions don’t hold for agentic AI, and that we need new security and privacy architectures for agentic browsing.” Perplexity patched the original finding in July 2025, but Brave noted after publication that the fix was incomplete.

None of this is a reason to avoid the category. It is a reason to scope it deliberately:

• Do not sign a browser agent into accounts it does not need, especially finance, admin consoles and password managers.
• Keep agentic browsing off the same profile as privileged internal tools.
• Require confirmation for actions that move money, send messages or change settings.
• Treat an agent’s page reading as untrusted input, the same way you would treat a form submission.
• Decide who in the business is allowed to delegate what, before someone decides it for themselves.

These are governance decisions rather than product decisions, and they are the same ones that come up whenever autonomous tooling gets access to real systems. Our comparison of AI agents for business goes deeper on where that boundary usually belongs.

What agentic browsing means for your website

If part of your revenue arrives through a browser, this shift affects you as a publisher, not just as a user.

When a person shops, they tolerate friction. They will hunt for a size chart, wait out a slow page, or work around a checkout that asks for the same detail twice. An agent will not. It reads what is machine-readable, and when it cannot complete the task it moves to a site where it can.

Three things change in practice:

• Structured data stops being an SEO nicety. Price, availability, specifications and shipping terms that only exist inside an image or a script-rendered tab are invisible to an agent comparing you with a competitor.
• Answer quality decides whether you get cited. The same content that gets quoted by an AI assistant is what gets surfaced to an agent acting for a buyer. Our guide on optimizing a site for AI Overviews and LLM answers covers how that selection works.
• Checkout has to survive automation. Flows that depend on hover states, multi-step interstitials or aggressive bot blocking will fail for a legitimate agent acting on a real customer’s behalf. For store owners specifically, we covered the platform-level version of this in our piece on agentic commerce on Magento, WooCommerce and BigCommerce.

Getting a site ready for that is integration work rather than content work, and it is the sort of thing our AI integration services team is usually brought in for once a first attempt has already stalled.

How to choose one

Match the tool to the constraint that actually binds you.

• You want the most capability for nothing: Perplexity Comet.
• Your company runs on Microsoft 365: Microsoft Edge.
• You are standardized on ChatGPT already: the ChatGPT desktop app, or the Chrome extension if switching browsers is a non-starter.
• Privacy outranks automation: Brave Leo.
• You need several agents running in parallel, or your own agents connected: Opera Neon, at $19.90 per month.
• Everyone is on a Mac and design matters: Dia.
• You cannot move off Chrome: Chrome with Gemini, and budget for AI Pro if you want auto browse.

One rule cuts across all of them. Pilot with a small group and a narrow set of accounts before anyone connects a browser agent to systems that matter, and write down what it is allowed to do.

Frequently asked questions

What is an agentic browser?

An agentic browser is a browser whose built-in AI can complete multi-step tasks for you, not just answer questions about the page. It acts using your logged-in sessions, so it can book, buy, file or move data between sites. Perplexity Comet and Opera Neon are the clearest examples in 2026. Browsers like Brave Leo deliberately stop at assistance and do not act.

Is ChatGPT Atlas shutting down?

It already has. OpenAI announced the wind-down on July 9, 2026 and Atlas stopped working on August 9, 2026, roughly nine months after launch. OpenAI moved browser-based agentic capability into the ChatGPT desktop app and a Chrome extension instead. If you still have Atlas installed, export your bookmarks to an HTML file, because they do not transfer automatically and cookies and sessions cannot be imported at all.

Are AI browsers safe to use?

They carry a specific risk that traditional browsers do not. Brave’s researchers showed that hidden text on a webpage can be read by the browser’s assistant as instructions, and the assistant then acts with your logged-in permissions. Brave described this as a category-wide problem rather than one vendor’s bug. AI browsers are usable, but do not sign an agent into financial, admin or password-manager accounts, and require confirmation for anything irreversible.

Which AI browser is free?

Most of them. Perplexity Comet has a permanent free tier, and Brave Leo, Dia and Microsoft Edge are all free for normal use. Gemini in Chrome is free, but Chrome’s auto browse feature requires a Google AI Pro or Ultra subscription. Opera Neon is the main exception, charging $19.90 per month for its agent layer.

What is the best alternative to ChatGPT Atlas?

For former Atlas users, the closest replacements are the ChatGPT desktop app or the ChatGPT Chrome extension, which is the path OpenAI itself recommends. If you want a full agentic browser from a different vendor, Perplexity Comet is the strongest free option and runs on Mac, Windows, iOS and Android.

Is Comet better than Chrome?

For delegated work, yes, and for free. Comet completes multi-step tasks on its free tier, while Chrome restricts auto browse to Google AI Pro and Ultra subscribers in the United States. Chrome remains stronger on extension support, enterprise management and general stability, so many teams end up running Comet alongside Chrome instead of replacing it.

How do I turn off AI features in my browser?

In Edge and Chrome the AI features are settings you can disable rather than a separate product, so look under the AI or Copilot section of settings. Brave lets you disable Leo entirely. The more reliable approach for a business is to control access at the account level, by not signing the assistant into systems you do not want it touching.

Does Dia run on Windows?

Not yet. Dia is macOS only, and The Browser Company lists Windows as coming soon. For a company with mixed hardware, that rules Dia out as a standard browser regardless of how good it is on Mac.

Is Arc browser dead?

Arc is not shut down, but it is finished. The Browser Company stopped active development in 2025 to build Dia, and no new features are planned. Arc still works and still gets Chromium security updates, and no end-of-life date has been announced. It is fine to keep using personally and a poor choice to standardize a team on.

Do AI browsers change how my website should be built?

Yes, if agents may transact on your site. An agent relies on machine-readable price, availability and specification data, and it abandons flows it cannot complete. Content locked inside images, specifications that only render after interaction, and checkouts that depend on hover states or aggressive bot blocking will all cause an agent to move to a competitor.

Bottom line

The useful conclusion from 2026 is not which AI browser won. It is that this category is young enough to lose its most publicized product in nine months, and that comparisons of it go stale faster than they get updated.

Perplexity Comet is the best default right now because it is free, genuinely agentic and available on every platform most teams use. Edge is the low-friction choice for Microsoft companies, Brave Leo is the honest choice if you want the help without the exposure, and Opera Neon is worth its fee only if you actually need multiple agents. Chrome will win on inertia, as long as you understand that its agent sits behind a subscription.

Whichever you pick, adopt it as something you may have to migrate off, and decide what it is allowed to touch before it touches anything. The businesses that got burned in this category were not the ones that chose the wrong browser. They were the ones that let a browser agent reach systems nobody had scoped.

Vikram Jain

Delivery Manager

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I’m Vikram Jain, a Delivery Manager, Account Manager, and Senior Technical Project Manager with over 19 years of experience in the IT industry. (PMP, PSM I, Google Certified Project Manager). I specialize in requirement gathering, stakeholder management, pre-sales, and delivering scalable solutions across industries including eCommerce, CRM, and consumer goods. I have led cross-functional teams and managed multiple projects simultaneously, ensuring timely and high-quality delivery. I’m passionate about building strong client relationships, mentoring teams, and driving strategic growth through effective planning and execution. My focus is on aligning business needs with technology solutions to deliver impactful and measurable results.