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Perplexity

SaaS

Perplexity is an AI answer engine that responds to questions with summarized answers and cited web sources.

perplexity.ai
Perplexity homepage screenshot

About Perplexity

Perplexity is a commercial AI search and answer product. Instead of returning a list of links, it reads sources from the web and writes a summarized answer to a question, with citations so users can check where information came from.

It is a hosted, proprietary service and cannot be self-hosted. The vendor's website blocked automated access when this entry was prepared, so current features, models and plan pricing should be confirmed on the official site. Open-source projects such as Fyin aim to offer a locally run alternative.

Key features

  • Conversational AI search
  • Answers with source citations
  • Follow-up questions in context
  • Web and mobile access

Good fit for

  • →Quick research with cited answers
  • →Replacing traditional search for complex questions
Tags
ai-search
answer-engine
research
llm
citations

Perplexity: questions and answers

What is Perplexity used for?
Perplexity is an AI answer engine that responds to questions with summarized answers and cited web sources. It is a good fit for quick research with cited answers and replacing traditional search for complex questions.
Is Perplexity open source?
No. Perplexity is proprietary (closed-source) software and can't be self-hosted. Open-source alternatives to Perplexity include Scira, Vane and Farfalle.
What are some alternatives to Perplexity?
Perplexity competes with ChatGPT, Claude and Microsoft Copilot. For open-source options, see Enlisted's ranked list of open-source Perplexity alternatives.

Open-source alternatives to Perplexity

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SaaS alternatives to Perplexity

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