Comparison

Comet Browser

Chromium

Comparison Summary

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Comet Browser gives you a free assistant that can handle your tabs, emails, calendar, and even browse for you, while Chromium just offers the bare bones without any of those conveniences.

Only use Chromium if you want to mess with the underlying code of browsers; otherwise, pick Comet Browser for actual daily use.

Comet Browser
Recommended
Best free agentic mode option
Best free agentic mode option
Chromium
Browser engine foundation
Browser engine foundation

At a Glance

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See how Comet Browser and Chromium compare on the most important Browser criteria.

Embedded AI
Best
User Experience
Draw
Tab Management
Draw
Performance Efficiency
Draw
Data Protection
Draw

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ChatGPT Atlas
Shut down & rolled into ChatGPT Chrome extension
Shut down & rolled into ChatGPT Chrome extension

Editor's Verdict

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If you want an assistant that can actually interact with your browser, help with research, shop for you, or even find promo codes, Comet Browser is the clear pick. Its built-in assistant goes beyond just searching and can click around the web, open pages, and handle tasks like a real helper, all while being totally free for agent mode. You get citations for info, deep integration with your tabs, calendar, and email, and it works on both iOS and Android when you need it.

Chromium, on the other hand, is just the bare-bones codebase powering browsers like Chrome and Edge. By itself, it gives you none of those assistant features or conveniences. Unless you specifically want to tinker with browser foundations for technical reasons, Chromium adds nothing for actual browsing or research.

So if you want practical tools for research, shopping, or having an assistant do things in your browser, grab Comet. Chromium is only for people who want to play with browser code, not for anyone who needs real browsing features.

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Comet Browser

Examples of what Perplexity Assistant can do

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Comet Browser At a Glance

See how Comet Browser compares on the most important Browser criteria.

Embedded AI: 6/7
User Experience: 3/7
Tab Management: 3/7
Performance Efficiency: 4/7
Data Protection: 3/7

Comet Browser Editor's Verdict

User Experience

You get a glimpse of what an AI-native, purpose-driven browser can feel like with Comet, especially if you're the kind of power user who wants an assistant that clicks around the web for you and pulls in email or calendar context. The interface is built to showcase these agentic features in a way that feels more user-friendly than most early AI browsers.

But the experience is rough around the edges. You run into moments where the assistant can't actually take action on the page you're on, even though the demos suggest it should. The workflow sometimes breaks down when you expect the assistant to handle something and it just can't, so you're still jumping in to finish the job yourself.

If you're an early adopter who likes trying new things and doesn't mind dealing with unfinished features, you'll appreciate what's here. For anyone expecting a polished, efficient user experience that just works, you're going to feel the inconsistency and friction.

Chromium At a Glance

See how Chromium compares on the most important Browser criteria.

Embedded AI: 1/7
User Experience: 2/7
Tab Management: 2/7
Performance Efficiency: 4/7
Data Protection: 3/7

Chromium Editor's Verdict

What is Chromium?

Chromium is something you're likely using right now without even realizing it. Are you using Arc Browser, Chrome, Brave, or even Microsoft Edge right now? Okay, then you're using Chromium.

You know those extensions you have in the top-right corner? Yep, those are Chromium extensions (often referred to as "Chrome Extensions"). Little do people know, Google built an open-source foundation to the browser, for which most of the top browsers on the market use as their foundation.

Competition

I mean you're not exactly looking at traditional competition here, but Apple does use a competing standard called Webkit. So if you're using Safari on your computer, that's running on Webkit instead of Chromium.

The super interesting part here though is if you're using iOS, any browser you're using is actually built atop Webkit—even Google Chrome. Apple requires Webkit be used on iOS regardless.

Why exactly? Well, Google pays Apple some $20bn per year to be the default search engine in Safari, so holding onto Webkit on iOS and iPad is probably one of their leverage points:

“At-least we still own the foundation of the browser for our products!”
-Apple (probably) 🤷

Final Verdict

This genuinely probably doesn't mean much to you, but you're probably using Chromium and you probably don't care.

Just know that it makes for switching between Chromium-based browsers far easier—from transferring bookmarks, to extensions, and everything inbetween.

Comet Browser vs Chromium

Comparison Summary

At a Glance

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Editor's Verdict

Screenshots

Summaries

Browser Alternatives