Perplexity AI at a glance: what it does, its pricing, and the best AI alternatives for ai chatbots & assistants. Updated for 2026.
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An intelligent conversational research assistant that synthesizes web information with immediate citation sourcing.
Perplexity is an AI answer engine that searches the web for each question and replies with a short written summary and numbered source links, so you can check where a claim came from. It is a good fit for researchers, students and professionals who want quick, cited overviews instead of a page of blue links, and it supports follow-up questions in the same thread. A free tier covers everyday searches, while paid plans add heavier use and access to more advanced models. Its main weakness is that a summary is only as good as the pages it draws on, so the cited sources are still worth opening for anything important.