AI glossary · Chatbots and assistants
Perplexity
Perplexity is an AI search engine that answers questions in plain language and lists the web sources it used, so you can check them.
Also called Perplexity AI
In more detail
Instead of a page of links, Perplexity reads search results and writes a summarised answer with numbered citations. It is an example of an AI search engine that relies on grounding.
Citations make answers easier to verify, but it is still worth opening the sources for anything important.
Related terms
AI search engineAn AI search engine answers your question directly in a written summary built from web pages, instead of only showing a list of links.GroundingGrounding means tying an AI’s answer to specific, trusted sources, such as search results or your documents, instead of relying only on what it memorised.AI OverviewsAI Overviews are the AI-written summaries Google shows at the top of some search results, with links to the pages they draw on.Deep researchDeep research is a feature in AI assistants where an agent spends several minutes searching many sources and writes a detailed, cited report on your question.
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