TOOLS
Perplexity Search
AI search engine that cites every claim
SearchFreemiumLLM-drafted
Part of this entry was LLM-drafted and is being polished.
Perplexity is the most-used AI search engine — every answer cites the web sources it pulled from. Pro tier adds Pro Search (multi-step), Spaces (folders), file uploads, and access to GPT / Claude / Sonar Large.
Editor's verdict
Default AI search for most knowledge work — citations alone make it preferable to ChatGPT / Claude for fact-finding. Free tier handles casual use; Pro is justified if you do research weekly. Hallucination rate is meaningfully lower than non-search-grounded LLMs but not zero — verify critical claims.
Use cases
- ai search with citations
- research questions
- current event qa
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Last updated: 2026-04-29