Perplexity
AI Research & Knowledge
Free Plan Available
An AI answer engine that searches the web and cites its sources.
Last reviewed 11/1/2026
Overview
Perplexity is an AI answer engine. It searches the web and returns answers with citations. Paid tiers let you choose models from several providers and add deep research, file and app creation, and agent features. It serves casual searchers, professional researchers, and organizations through Enterprise plans.
Best For
Web research and answers with cited sources
Key Features
- Answers with citations
- Deep Research
- Choose a model for each query (paid plans)
- Create documents and apps
- Search across the web, your files and connected apps
- Image and video generation (paid plans)
Pricing
$17/month, billed annually (Pro) Official pricing
Free plan: Available
Pros & Cons
Pros
- Free plan with unlimited basic searches and citations
- Draws on models from several AI providers
- Pay-as-you-go API for developers
Cons
- Free plan allows only a few Pro Searches per day
- Advanced models and Deep Research need a paid plan
- Listed Pro price is billed annually
