Perplexity
Answer engine that cites its sources
Perplexity answers questions with inline citations, which makes it a research tool rather than a chat companion. A free tier covers basic searches; Pro unlocks deeper research modes.
Free tier
Checked by hand against the vendor's own pricing and sign-up pages.
Something out of date? Report an error.
Pricing
What it is
Perplexity is an answer engine rather than a chat companion. It answers questions with inline citations, which makes it a research tool: you can see where a claim came from and check it.
Key features
- Inline citations
Every answer links to the sources it drew on.
- Follow-up questions
Narrowing a broad question through successive queries.
- Deeper research modes
Paid tiers run multi-step searches for harder questions.
Who it suits
- Fact-checking
Getting an answer you can verify against primary sources.
- Market and competitor research
Surveying a topic quickly with sources attached.
- Learning a new field
Building a picture of an unfamiliar topic with references.
Categories
FAQ
How many free searches does Perplexity allow?
The free tier allows basic searches, with a separate cap on deeper Pro-style queries. Exact numbers change often and are not verified here.
Does the free plan need a credit card?
No.
Alternatives compared
See all 9 Perplexity alternatives →Same job, different terms. Unverified rows stay marked — we do not fill them in.
| Tool | Free tier | Card | Watermark | From |
|---|---|---|---|---|
| Perplexitythis tool | Yes | Not required | None | USD 20 |
| ChatGPT | Free plan with usage limits on advanced models | Not required | None | USD 20 |
| Google Gemini | Yes | Not required | None | USD 19.99 |
| Claude | Free plan with daily usage caps | Not required | None | USD 20 |
| Microsoft Copilot | Yes | Not required | None | USD 20 |
| Overchat AI | 4 message a day | — | — | Not published |
| Semantic Scholar | Yes | — | — | Not published |
Listed on ToolVault. Details change often — if something here is out of date, tell us.