Overview
Perplexity AI is an AI-powered search engine that provides direct, sourced answers to questions instead of traditional search results. It has rapidly gained popularity as a research tool that combines the depth of AI with the reliability of cited sources.
Key Features
- Cited answers — Every response includes numbered source citations
- Pro Search — Deep research mode that asks clarifying questions
- Focus modes — Search specific sources (academic, YouTube, Reddit, etc.)
- Collections — Organize research into shareable collections
- File upload — Analyze documents alongside web search results
- API access — Integrate Perplexity search into applications
- Chrome extension — Quick access from any webpage
Pricing
| Plan | Price | Features |
|---|---|---|
| Free | $0/month | Unlimited quick searches, limited Pro |
| Pro | $20/month | Unlimited Pro searches, file upload |
| Enterprise | Custom | Team features, API access |
Best For
- Research and fact-checking
- Academic work requiring cited sources
- Staying current with news and trends
- Quick factual questions
- Replacing traditional search for information gathering
Limitations
- Less capable at creative writing than ChatGPT or Claude
- Not designed for coding tasks
- Pro search can be slow for complex queries
- Some sources may not be accessible or up-to-date