Comet vs Perplexity
Which AI search & research should you pick in 2026? Pricing, agents, plans and use cases, side by side.
FSReviewed September 5, 2026 by Faisal Saleem · no paid placementsPick Comet if you need autonomous-agent capability. Pick Perplexity if you prefer assistive features over an agent, or care more about the lower entry price ($20/mo).
- You need real autonomous-agent capability (plan + execute multi-step tasks), not just chat.
- You need AI agent in the address bar or Acts across tabs & apps, which Perplexity doesn't offer.
- You mostly do agentic browsing & task automation or research across multiple tabs.
- You need Cited answers or Focus modes, which Comet doesn't offer.
- You mostly do web research or fact-checking.
By the numbers
Side by side
| SPEC | ||
|---|---|---|
| Starts at | Free; Pro $20/mo | $20/mo |
| Pricing model | Freemium | Freemium |
| AI agent | Yes | No |
| Editor's Pick | No | No |
| Key features | AI agent in the address barActs across tabs & appsRuns Chrome extensionsImports bookmarks & passwords | Cited answersFocus modesPro SearchSpaces |
| Best for | Agentic browsing & task automationResearch across multiple tabsIn-page summarizationReplacing your default browser | Web researchFact-checkingSource discoveryQuick answers |
| Works with | #browser#agent#search#perplexity | #search#research#citations |
Plan by plan
- Unlimited quick searches
- Limited Pro searches
- Limited file uploads
- 300+ Pro searches per day
- Choose GPT-4o, Claude, etc.
- File and image uploads
- Everything in Pro
- SOC 2, SAML SSO
- Data retention controls
What each is best for
| USE CASE | ||
|---|---|---|
| Agentic browsing & task automation | ||
| Research across multiple tabs | ||
| In-page summarization | ||
| Replacing your default browser | ||
| Web research | ||
| Fact-checking | ||
| Source discovery | ||
| Quick answers |
Strengths and trade-offs
- Free tier available; paid plans from Free; Pro $20/mo
- Includes an autonomous AI agent for multi-step tasks
- AI agent in the address bar
- Acts across tabs & apps
- Runs Chrome extensions
- Competition is strong in this space, see Perplexity for comparison
- Free tier available; paid plans from $20/mo
- Cited answers
- Focus modes
- Pro Search
- No autonomous agent, handles single prompts, not multi-step workflows
- Competition is strong in this space, see Comet for comparison
Comet vs Perplexity FAQ
Short answers to what people ask most before choosing between these two.
Is Comet better than Perplexity?
It depends on your workflow. Comet ships with autonomous-agent capability, while Perplexity doesn't include an agent. Neither is currently our Editor's Pick, both are credible options. See the side-by-side table above for specifics.
Is Comet cheaper than Perplexity?
Both tools have similar entry pricing, Comet Free; Pro $20/mo and Perplexity $20/mo. Pricing at higher tiers varies; check the pricing breakdown above.
Does Comet have an AI agent?
Yes, Comet ships with autonomous-agent capability (it can plan and execute multi-step tasks, not just answer a single prompt).
Does Perplexity have an AI agent?
No, Perplexity focuses on assistive features rather than agents.
What's the difference between Comet and Perplexity?
Both are search & research tools. The key differences come down to pricing (Comet: Freemium, from Free; Pro $20/mo; Perplexity: Freemium, from $20/mo), agent capability (Comet: yes, Perplexity: no), and feature focus. Use the comparison table above to weigh which axis matters most for your work.
What's a good alternative to Comet and Perplexity?
Beyond Comet and Perplexity, the strongest alternatives in Search & Research depend on whether you prioritise price, agent capability, or specific features. See our "Comet alternatives" and "Perplexity alternatives" pages for a hand-picked ranking of each.