AI Research Tools
Perplexity AI
An answer engine that searches the web and replies with sourced, cited summaries.
Plan details last verified 2026-10-05 · free plan available · developer API available
What it does
Getting current answers with visible citations instead of digging through result pages.
Main features
- Web search with inline citations
- Follow-up questions in context
- Focus modes for academic or broader sources
Best use cases
- Research with verifiable sources
- Comparing claims across sources
- Current-events questions
Getting started (beginner-friendly)
Type a question like you would in a search engine and check the cited sources under the answer.
Strengths
- Citations are shown by default
- Good for current information
Limitations
- Summaries can misread a source — open the citations
- Result quality depends on what's on the web
Pricing (verified summary)
Free tier available; paid Pro plan with more powerful models and higher limits. Verify current plans on Perplexity's site.
Last checked 2026-10-05. Plan details change often — always confirm on the official site before purchasing.
Platforms
Privacy note
Search queries are processed to return results — review the privacy policy before researching confidential topics.