Founded

2022

Starting Price

About Perplexity AI

Perplexity AI is an AI-powered answer engine that combines real-time internet search with large language models to deliver direct, cited answers to any question. It goes beyond traditional search engines by breaking down complex queries, synthesizing information from multiple sources, and presenting concise responses with clickable citations for verification.

Pros & Cons

Pros

Delivers direct, cited answers with clickable source references for easy verification
Multi-model flexibility lets users switch between GPT, Claude, Gemini, and other frontier models
Deep Research mode breaks down complex questions into multi-step investigations with comparative tables
Generous free tier with unlimited basic searches makes it accessible for casual users
Spaces and Pages features enable collaborative research organization and shareable outputs

Key Features

AI-Powered Answer Engine

Provides direct, concise answers to queries by combining real-time web search with frontier AI models.

Cited Sources

Every response includes numbered, clickable citations so users can verify claims and trace information back to original sources.

Pro Search / Deep Research

An agentic research mode that breaks down complex questions, runs multiple queries, and compiles comparative tables for thorough analysis.

Multi-Model Access

Pro users can toggle between GPT, Claude, Gemini, Grok, and Perplexity's own Sonar models for the best response.

Spaces

Organize searches and threads by topic or project, creating collaborative hubs where teams can contribute research.

Pages

Turn any search thread into a beautifully formatted, shareable page that works like a blog post or research report.

Model Council

Run a query through three frontier models in parallel, compare outputs, and get a higher-confidence synthesized answer.

Pricing

Free

Unlimited basic searches
5 daily Pro search queries
Access to standard AI models
Search history
Basic file uploads

Best For

Research and Fact-Checking

Quickly research topics with AI-synthesized answers backed by cited sources, ideal for journalists, analysts, and knowledge workers.

Competitive Analysis

Use Deep Research mode to break down complex market questions, compare products, and generate structured comparison tables.

Academic and Learning

Students and educators can explore topics in depth, get explanations of complex concepts, and trace information to primary sources.

Content Creation

Writers and marketers can use Pages to turn research threads into shareable reports and fact-check content.

Tags:AI search answer engine research assistant AI chatbot citation search

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Perplexity AI