Comet vs BrowserOS

Comet9.1Visit BrowserOS8.8Visit

Higher score Comet #3 in AI Browsers 9.1/10 Free plan Free plan✓ 0 of 3 features Visit Comet

vs

BrowserOS #6 in AI Browsers 8.8/10 Free plan Free plan✓ 0 of 3 features Visit BrowserOS

• Comet fits best

  Free general-purpose AI browsing

• BrowserOS fits best

  Open-source automation across desktop platforms

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Side by side

Feature	Comet 9.1/10 Visit ↗	BrowserOS 8.8/10 Visit ↗
At a glance
Editor score	9.1	8.8
Ranking	#3 in AI Browsers	#6 in AI Browsers
Best for	Free general-purpose AI browsing	Open-source automation across desktop platforms
Pricing model	Free	Free
Starting price	Free plan	Free
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Desktop, Mobile	Desktop
Platforms	macOS, Windows, iOS, Android	macOS, Windows, Linux
Integrations	2 integrations	8 integrations
Features Comet 0/3 · BrowserOS 0/3
Page summaries	Not checked yet	Not checked yet
AI research mode	Not checked yet	Not checked yet
Browser agent	Not checked yet	Not checked yet
Specs
Supported platforms	Not checked yet	Not checked yet
Browser engine	Chromium	Chromium
Privacy model	Not checked yet	Not checked yet
Our review
Pros	Perplexity search, page questions, and summaries are built into browsing. Available for macOS, Windows, iOS, and Android with cross-device sync. Supports Chrome Web Store extensions and built-in ad blocking.	Automates multi-step browser tasks from natural-language instructions Runs locally and supports both local and cloud AI models Works across macOS, Windows, Linux, and Chrome extensions
Cons	Gmail is the only listed integration. Some Perplexity AI capabilities may vary by subscription plan. AI assistance is centered on search, browser commands, and page context.	Automation is limited to browser tasks and workflows AI provider choice may require configuring a separate provider AGPL-3.0 licensing may not suit every organization
Our verdict	Comet combines Chromium-based browsing with Perplexity AI search and assistance. It is aimed at people who want a general-purpose browser with natural-language commands, questions about open pages, and summaries alongside conventional… Read the review →	BrowserOS is an open-source Chromium browser with built-in AI agents for people who want to automate browser work through natural-language instructions. It can click, type, navigate, and handle multi-step workflows, while running locally… Read the review →

Strengths and trade-offs

• Comet — where it wins

  • Perplexity search, page questions, and summaries are built into browsing.
  • Available for macOS, Windows, iOS, and Android with cross-device sync.
  • Supports Chrome Web Store extensions and built-in ad blocking.

  Where it doesn't

  • Gmail is the only listed integration.
  • Some Perplexity AI capabilities may vary by subscription plan.
  • AI assistance is centered on search, browser commands, and page context.

• BrowserOS — where it wins

  • Automates multi-step browser tasks from natural-language instructions
  • Runs locally and supports both local and cloud AI models
  • Works across macOS, Windows, Linux, and Chrome extensions

  Where it doesn't

  • Automation is limited to browser tasks and workflows
  • AI provider choice may require configuring a separate provider
  • AGPL-3.0 licensing may not suit every organization

• Comet9.1/10 · Free plan

  A free, cross-device browser that adds Perplexity search and AI help to familiar browsing.

  Visit CometFull verdict →
• BrowserOS8.8/10 · Free plan

  A free desktop browser for natural-language automation with local or cloud AI models.

  Visit BrowserOSFull verdict →