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Perplexity

About

An AI answer engine that combines LLM reasoning with real-time web search, citing sources for every claim. A fast alternative to traditional search for research and questions.

Pricing

Free / monthly

Perplexity is an AI search engine that answers questions with current web information and footnoted sources. It blends large language models with live search indexes.

Key Features

  • Real-time web search with citations.
  • Follow-up questions in the same thread.
  • Focus modes for academic, code and news search.
  • Sonar API for developers.
  • Perplexity Spaces for shared research.
  • Mobile and desktop apps.

Pricing

  • Free tier: limited Pro searches per day.
  • Pro: $20/month — unlimited Pro searches, API credits.
  • API: pay per query via Sonar models.

Getting Started

  1. Visit perplexity.ai.
  2. Ask a question — sources are listed alongside the answer.
  3. Developers use the Sonar API from perplexity.ai/settings/api.