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Perplexity

AI answer engine that researches the web and cites its sources

AI Data & Research
Free tier
research
answer engine
web search
citations
ai assistant

Perplexity is AI answer engine that researches the web and cites its sources. Best for anyone doing web-based research who wants fast, cited answers and multi-step deep research. Pricing: Free tier; Pro ~$20/mo, Enterprise from ~$40/user/mo (approximate). A free tier is available.

See Perplexity pricing, plans & free tier →

Overview

Perplexity is an AI-powered answer engine that searches the web in real time and returns synthesized, cited answers to research questions. Its Pro Search and Deep Research modes run multi-step investigations across many sources, making it a popular research companion for knowledge workers. It also supports uploading files and analyzing data.

Best for

Anyone doing web-based research who wants fast, cited answers and multi-step deep research.

Not for

Users needing rigorous statistical analysis of their own structured datasets.

What people use it for

Cited web research
Deep research reports
Summarize sources on a topic
Fact-finding with citations

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Frequently asked questions

Is Perplexity worth it?
Perplexity is worth it if anyone doing web-based research who wants fast, cited answers and multi-step deep research. It's not the right pick if users needing rigorous statistical analysis of their own structured datasets. A free tier lets you test it at no cost first.
What is Perplexity?
Perplexity is AI answer engine that researches the web and cites its sources. It's best for anyone doing web-based research who wants fast, cited answers and multi-step deep research.
How much does Perplexity cost?
Free tier; Pro ~$20/mo, Enterprise from ~$40/user/mo (approximate)
Does Perplexity have a free tier?
Yes, Perplexity offers a free tier or free plan.
What are the best Perplexity alternatives?
Top alternatives include Julius AI, ThoughtSpot, Hex. See the full comparison on our Perplexity alternatives page.