PA

Perplexity AI

by PerplexityFreemiumFree plan available✅ Last verified: July 2026
Research

Quick Answer

AI search engine delivering cited answers with source links for research.

AI-powered search engine that provides direct, cited answers instead of a list of links. Every response includes numbered citations to original sources, making it invaluable for research and fact-checking.

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Best For

Research with citationsFact-checkingAcademic work

Why Choose Perplexity AI

  • ✓Every answer includes numbered source citations
  • ✓Academic mode searches peer-reviewed papers
  • ✓Unlimited standard searches on free tier
  • ✓Real-time web access

Pricing

FreemiumFrom $20/mo for Pro

Free plan available — no credit card required for most tools.

Pros

  • +Every answer includes numbered source citations
  • +Academic mode searches peer-reviewed papers
  • +Unlimited standard searches on free tier
  • +Real-time web access

Cons

  • −Pro searches limited on free tier
  • −Less conversational than general assistants

Key Features

Cited searchAcademic modePro searchFollow-up questionsSource verification

Compatibility

Platforms

WebMobileBrowser Extension

API

Available

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Read our in-depth guide

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Frequently Asked Questions about Perplexity AI

What is Perplexity AI?

AI search engine delivering cited answers with source links for research.

Is Perplexity AI free?

Yes, Perplexity AI offers a free plan. Paid plans start from $20/month for Pro.

What platforms does Perplexity AI support?

Perplexity AI is available on Web, Mobile, Browser Extension.

Who is Perplexity AI best for?

Perplexity AI is best for research with citations, fact-checking, academic work.

Does Perplexity AI have an API?

Yes, Perplexity AI offers API access for developers and integrations.

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