AI agent browsers can run tasks automatically without manual clicking. Learn how they differ from regular browsers, see example products, and read about the latest security risks in 2026.
AI agent browsers are starting to change how people get things done online. Users simply write their goal in everyday language. The agent then opens websites, fills out forms, and compares prices. In a regular browser, a person still does every one of those steps by hand.
The biggest difference is who stays in control. In a regular browser, users visit sites, click links, and type in their own data. In Chrome with Auto Browse, an AI agent scrolls, clicks, and enters data on its own.
How Regular Browsers and AI Agent Browsers Work
A regular browser only displays web pages. Users decide each step, press the buttons, and check the results themselves. Extensions and autofill features help with only a small part of that process.
An AI agent browser controls a real browser to open pages, click buttons, fill out forms, and collect data based on the goal the user writes. The process starts with setting a goal, then gathering information, then carrying out the task while checking progress. Users receive the final result without handling the steps in between.
Older automation scripts work differently. A Playwright script targets elements with exact selectors, so it breaks as soon as a class name changes. An AI agent recognizes a button by its meaning and keeps working even when the page structure shifts.
| Aspect | Regular browser | AI agent browser |
|---|---|---|
| Who performs the task | The user | The AI agent |
| How you give instructions | Manual clicks and typing | Plain-language sentences |
| When a site’s layout changes | The user adjusts | The agent re-reads the page |
| Extra cost | Usually none | AI subscription or token usage |
| Main risks | Misclicks, scams | Prompt injection, wrong actions |
AI Agent Browser Products Active in 2026
Google has moved fastest through Chrome. The Auto Browse feature, powered by Gemini 3, launched on January 28, 2026. It requires desktop Chrome, an English-language account, and a Google AI Pro or Ultra subscription, starting at $19.99 per month. Google also shut down Project Mariner on May 4, 2026, and moved its technology into Auto Browse.
Perplexity took a different route with a standalone browser. Comet is built on Chromium, uses Perplexity as its default search engine, and can run multistep tasks. As of September 2026, Comet is still under active development. Claude for Chrome arrives as a sidebar assistant that competes with Gemini in Chrome and Copilot in Edge.
ChatGPT Atlas is the example discussed most often. OpenAI introduced it on October 21, 2025, with agent mode as a preview. OpenAI later moved its browsing features into the ChatGPT desktop app. Atlas stopped working on August 9, 2026.
The 2026 field breaks into three groups: standalone AI browsers such as Comet and Dia, AI built into regular browsers, and computer-use APIs for developers. Users should choose based on their habits. People who are comfortable with Chrome can use Auto Browse or an extension without switching browsers.
Security Risks and Limits of AI Agent Browsers
Google says the biggest new threat to all agentic browsers is indirect prompt injection. Malicious instructions can be hidden in a web page or email and override the user’s original command. As a result, an agent could start a financial transaction or leak sensitive data.