6 Best Agentic AI Browsers in 2025

By Alex • Updated Aug 10, 2025

Agentic AI Browsers can browse the web and complete tasks for you automatically, saving you time and effort. After extensively testing 11 different options, I've selected the top 6 you should check out.

Best Agentic AI Browsers

1. Comet
2. Dia
3. Genspark
4. Opera Neon
5. Fellou
6. Sigma

What Makes a Great Agentic AI Browser?

A great Agentic AI Browser should possess the following features:

• Task Automation: The browser should handle complex web tasks automatically without constant supervision.
• Accuracy: It should complete actions correctly and understand what you're asking it to do.
• Speed: The browser should work efficiently and complete tasks faster than doing them manually.
• Ease of Use: It should be simple to set up and give clear instructions to without technical expertise.
• Reliability: The browser should work consistently across different websites and handle errors gracefully.

With these factors in mind, let's take a closer look at the top 6 Agentic AI Browsers.

1. Comet

Comet is Perplexity's AI-powered web browser that replaces traditional search with their AI engine and includes an assistant capable of automating tasks across websites.

Key Features

• Agentic browsing: The AI assistant can actually navigate web pages, fill forms, and complete tasks autonomously rather than just providing suggestions
• Cross-tab awareness: Maintains context across multiple browser tabs and can transfer information between different web applications seamlessly
• Native AI search: Built-in Perplexity search engine replaces Google as the default, delivering AI-generated summaries instead of traditional link results
• Voice interaction: Supports voice commands for browsing tasks and can have natural language conversations about webpage content

My Take

Comet feels like the first browser that actually acts on your behalf rather than just responding to clicks - I can ask it to book reservations or research across multiple tabs while I focus on other work. The cross-tab context awareness is particularly useful when comparing information from different sources, though the autonomous actions sometimes need guidance to get exactly what you want.

2. Dia

Dia is an AI browser from same company that built Arc. It puts an intelligent assistant directly in your sidebar, allowing you to chat with your open tabs and automate browsing tasks.

Key Features

• Tab conversations: Chat directly with any open webpage to get summaries, ask questions, or extract specific information without copy-pasting
• Custom Skills: Create personalized AI workflows for repeated tasks like writing emails, research synthesis, or shopping comparisons
• Cross-tab reasoning: Ask questions that pull information from multiple open tabs simultaneously for faster decision-making
• Browsing memory: Remembers your activity for up to seven days to provide more contextual and personalized responses

My Take

The tab conversation feature sets Dia apart from other AI browsers - being able to ask questions about what's currently on screen without switching contexts makes research much more fluid. The Skills system shows real potential for workflow automation, though it's still early days and the browser occasionally struggles with more complex multi-step requests.

3. Genspark

Genspark is an AI-powered browser that replaces Chrome with built-in agentic capabilities, turning every webpage into an interactive AI assistant.

Key Features

• Autopilot Mode: Automatically navigates websites and gathers information without manual browsing
• Built-in Ad Blocking: Eliminates ads and pop-ups natively without requiring extensions
• Super Agent Integration: Executes real-world tasks like making phone calls and booking reservations directly from the browser
• MCP Store: Connects with 700+ tools and apps for seamless workflow integration

My Take

The autopilot browsing feature sets Genspark apart from other AI browsers by actually doing the clicking and scrolling for you rather than just suggesting actions. The built-in task execution feels more practical than competitors that only provide chat-based assistance, though some features can feel experimental and occasionally glitch out.

4. Opera Neon

Opera Neon is an agentic AI browser that transforms user prompts into automated web actions and content creation through three integrated AI functions.

Key Features

• Chat Function: Built-in AI assistant that searches the web, summarizes pages, and provides contextual answers without switching tabs
• Local Task Automation: "Do" feature handles form filling, booking, and shopping directly in the browser while keeping your data local for privacy
• Cloud Creation Engine: "Make" feature builds websites, games, and code projects in a virtual machine that continues working even when you go offline
• Asynchronous Processing: Multiple AI agents can run different tasks simultaneously in the background without requiring your active participation

My Take

The standout here is how Neon's "Make" feature can actually build functional games and websites from simple prompts, something I haven't seen other AI browsers attempt at this scale. The local processing for web tasks combined with cloud-based creation gives you both privacy and power, though it remains to be seen how well this hybrid approach performs in real-world scenarios.

5. Fellou

Fellou is an agentic browser that executes complex tasks autonomously rather than just displaying web pages, using AI agents to complete multi-step workflows based on natural language commands.

Key Features

• Deep Action: Breaks down your goals into actionable steps and executes them across websites and apps without manual intervention
• Shadow Workspace: Runs tasks in the background while you continue browsing, keeping your main workflow uninterrupted
• Cross-platform automation: Handles tasks spanning multiple websites, local files, and applications like LinkedIn and Notion
• Natural language commands: Accepts simple instructions like "research competitors and create a report" instead of requiring specific clicks

My Take

Fellou truly delivers on the agentic promise where other AI browsers fall short - it actually completes tasks rather than just answering questions. The ability to drag and drop content into Fellou to trigger automated workflows feels like having a digital assistant that understands context and intent.

6. Sigma

Sigma AI Browser integrates multiple AI tools directly into your browsing experience, offering features like AI chat, content creation, and privacy protection all within a single interface.

Key Features

• SigmaGPT integration: Built-in AI assistant handles conversations, content creation, and web page summarization without switching tabs
• Privacy-first approach: Includes built-in VPN, ad blocker, and end-to-end encryption for AI conversations
• Cross-platform syncing: Synchronizes bookmarks, settings, and browsing data across iOS, Android, Windows, macOS, and Linux
• Unified workspace: Consolidates research, writing, and browsing tasks in one environment instead of juggling multiple apps

My Take

What sets Sigma apart is how seamlessly it weaves AI functionality into everyday browsing rather than feeling like separate tools bolted onto a browser. The privacy focus with encrypted AI conversations and no user tracking makes it particularly useful when you need AI assistance but want to keep your data secure.

Frequently Asked Questions

What is an Agentic AI Browser?

It’s a browser that uses smart automation to do web tasks for you. You just tell it what you need, and it handles the rest.

How do Agentic AI Browsers work?

They read your instructions, visit websites, and take actions like searching, filling forms, or gathering information. Everything happens automatically without much effort from you.

Can I trust Agentic AI Browsers with my data?

Most have strong security and privacy protections built in. Always check privacy settings and terms before using any tool.

Do I need special skills to use an Agentic AI Browser?

No, they are designed to be easy for anyone to set up and use. Simple instructions are usually enough to get good results.

What kind of tasks can these browsers handle?

They can handle things like researching, booking appointments, filling out forms, and finding specific information. Just describe what you want, and they get it done.

Will an Agentic AI Browser work on all websites?

Most work smoothly on common websites, but they may have trouble with sites that have strict security or unusual layouts. Updates often improve compatibility over time.