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What is Perplexity?
Perplexity is an AI-powered search engine that reads the web and returns a direct answer with inline citations, rather than a list of links to click through. It's built for research, fact-checking, and getting quick, sourced answers without the ads and SEO clutter of traditional search.
Key features
- Answers backed by clickable source citations
- Focus modes for academic, video, or social-specific search
- Follow-up questions that keep context across a research session
- Perplexity Pages for turning research into shareable articles
- Browser and mobile apps with a trending-topics discover feed
- Pro search mode with more thorough multi-step research
How to get started
- Go to perplexity.ai and type a question directly, no account required
- Switch focus mode if you need academic, video, or social sources
- Ask follow-up questions to dig deeper into the same thread
- Save useful answers into a Perplexity Page to share or revisit
- Upgrade to Pro for deeper multi-step research and more queries
Perplexity pricing
The free plan covers a limited number of Pro searches per day on top-tier models; Pro removes that cap and adds file upload, image generation, and access to multiple underlying models.
| Plan | Price | Best for |
|---|---|---|
| Free | $0 | Occasional research, capped daily Pro searches |
| Pro | ~$20/mo | Regular research, higher usage caps |
| Max | ~$200/mo | The highest limits and earliest features |
| Enterprise | Custom | Teams needing admin controls and higher limits |
| API (Sonar) | Per token | Building search into your own app |
Our take: Pro is worth it if you research daily. Max only makes sense for very heavy users.
Prices change often. Check the official site above for current rates before you commit.
Use cases
- Fact-checking claims with primary sources
- Market and competitor research
- Academic literature review
- Quick technical answers with links to documentation
- Building shareable research briefs with Pages
Perplexity alternatives
- ChatGPT: ChatGPT's browsing mode covers similar ground, but Perplexity is search-first with a citation on every claim by default.
- Gemini: Gemini answers from a general chat model with deep Google integration, rather than a search-and-cite format.
- Phind: Phind is tuned specifically for developer and technical searches instead of general research.
- You.com: You.com bundles search with a broader set of built-in apps and modes.
FAQ
Is Perplexity free to use?
Perplexity's plans: Free, plus a paid Pro plan. Pricing and free-tier limits change over time, so check the official site above for the latest details.
What is Perplexity used for?
AI search that answers with cited sources, not just links.
Who is Perplexity best for?
Perplexity is a good fit for fact-checking claims with primary sources, or market and competitor research.
What are the alternatives to Perplexity?
Commonly compared alternatives include ChatGPT, Gemini, and Phind, see the comparison above for how they differ.
How much does Perplexity cost?
Perplexity is free to start. Pro is about $20 a month and Max about $200 a month for the highest limits. Developers can pay per token on the Sonar API.
What's the best Perplexity alternative?
ChatGPT is the most commonly recommended swap: chatGPT's browsing mode covers similar ground, but Perplexity is search-first with a citation on every claim by default. Which one is actually best depends on which of those tradeoffs matters more for what you're doing.
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Last reviewed: 2026-08 · Reviewed by AIKetra editors · How we evaluate tools
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