Comet: what it does, what it costs, where it struggles
Perplexity's free web browser with a built-in assistant that can browse and click through sites for you on paid plans.
- Made by
- Perplexity
- Kind
- AI browser
- Free to try
- Free browser; agent needs a paid plan
- Where
- Mac, Windows, iOS, Android
What it does
Comet is a full web browser for Mac, Windows, iPhone and Android, free to download for everyone since October 2025. It has Perplexity's search and an assistant beside every page.
The browser agent (Comet Assistant) can open pages, click and fill in steps for you. It is not on the free plan; Pro has monthly limits and Max higher ones.
Main features
- Full web browser for desktop and phone
- Assistant beside every page
- Browser agent that clicks through sites (paid plans)
- Perplexity search built in
- Max Assistant on Max
What it costs
| Plan | Price | Notes |
|---|---|---|
| Free | $0 | Browser free to download; no browser agent |
| Pro | $17/month billed yearly | Browser agent with monthly limits; month-to-month price not shown on the pages opened |
| Max | $167/month billed yearly; $200/month or $2,000/year on Perplexity's Max help page | Higher browser agent limits; Max Assistant on Comet |
| Enterprise Pro / Enterprise Max | Not published on the pages opened | 80 / 800 browser agent queries a month |
Who it's for
- People who want an assistant inside their everyday browser
- Researchers who already use Perplexity
- Those who want a browser that can click through sites for them
Where it struggles
- The browser agent is not on the free plan, and Pro has monthly limits (Perplexity help: which plan is right for you).
- Brave's security team showed Comet could be tricked by hidden instructions on web pages (prompt injection).
- LayerX reported a 'CometJacking' attack that could pull data through a crafted link (cited on Wikipedia).
- Max, needed for the highest limits, costs $200 a month.
At a glance
| Comet | |
|---|---|
| What it is | Perplexity's free web browser with a built-in assistant that can browse and click through sites for you on paid plans. |
| Price | Free: $0; Pro: $17/month billed yearly; Max: $167/month billed yearly; $200/month or $2,000/year on Perplexity's Max help page |
| Free to try | Free browser; agent needs a paid plan |
| Does the task itself | yes the browser agent clicks through sites on paid plans |
| Its own email address | no |
| You can text it | no not on the pages checked |
| Its own computer and browser | no works in the browser on your own device |
| Remembers you | Not confirmed on the pages checked |
| Where it lives | Mac, Windows, iOS, Android |
How it compares
If you want an assistant that does the work itself rather than helping you do it, see how Comet stacks up: Comet vs ChatGPT agent (and Atlas).
Listed in: The best AI agents in 2026, for people who aren't engineers.
Questions people ask
- Is Comet free?
- The browser is free to download. Its browser agent needs Pro ($17 a month billed yearly) or Max.
- Is Comet safe to use with my accounts?
- Security researchers have shown it can be tricked by hidden instructions on web pages, so be careful with sensitive accounts.
- What devices does Comet run on?
- Mac, Windows, iPhone and Android.
Checked 2026-11-08 on Perplexity's own pages: Comet, Comet is now available to everyone worldwide (Perplexity blog), Perplexity pricing, Which Perplexity subscription plan is right for you? (Perplexity help), Perplexity Max (Perplexity help), Indirect Prompt Injection in Perplexity Comet (Brave). Prices change; check the maker's pricing page before you buy.
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