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Independent reviews · Clear choices · No jargon

Dia vs Comet

A side-by-side comparison of Dia and Comet — ratings, pricing, strengths, weaknesses and who each one is best for.

Updated 2026

Criteria
Dia
AI browser
Comet
AI browser
Rating
4.2
4.4
Pricing
  • Free: Free
  • Pro: $20/mo
  • Free: Free
  • Pro: $20/mo
Pros
  • ✓ Conversational control
  • ✓ Customizable skills
  • ✓ Clean UI
  • ✓ Tab understanding
  • ✓ Autonomous browsing
  • ✓ Sidebar assistant
  • ✓ Strong search
  • ✓ Now free
Cons
  • ✗ Still early
  • ✗ Limited platforms
  • ✗ Features evolving
  • ✗ Chromium-based
  • ✗ Mind privacy
  • ✗ Newer ecosystem
Best forEveryday browsing, Research, Writing, Tab managementResearch, Web automation, Comparison shopping, Everyday browsing
PlatformsmacOSWindows, macOS, iOS, Android

Our verdict

Comet edges ahead on our overall rating (4.4 vs 4.2), but both are capable choices.

Choose Dia if you want Everyday browsing, Research. Choose Comet if you need Research, Web automation.

Read the full Dia review →Read the full Comet review →

FAQ

Is Dia better than Comet?

In our review Dia rates 4.2/5 and Comet rates 4.4/5. Dia is best for Everyday browsing, Research, while Comet suits Research, Web automation — so the better choice depends on your priorities.

What is the difference between Dia and Comet?

Dia: The Browser Company's AI browser that operates pages and tabs conversationally. Comet: Perplexity's AI browser with a built-in assistant that browses autonomously and completes multi-step tasks.

Which is cheaper, Dia or Comet?

Dia starts at Free (Free); Comet starts at Free (Free).