Perplexity
Perplexity is an AI answer engine. You ask a question and it searches the web, writes an answer and shows the sources it used, so you can check them.
Who it's for: Anyone who wants quick answers they can verify.
Key uses and features
- Answers with cited sources
- Follow-up questions in a thread
- Deeper multi-step research mode
- Web and mobile apps
Good for: Fast answers with citations.
Pricing model: freemium
Used for: ResearchChat assistants
Details checked against public sources in October 2026. Pricing and features change often; check the official site.