Perplexity

Answer engine that cites its sources

perplexity.ai

简介

Perplexity searches the web and writes an answer with numbered citations. Pro adds deeper research runs and a choice of models.

TXYZ helps researchers discover papers, analyze documents, and work with research knowledge.

搜索与研究有免费版

Explorer helps you discover and learn with intelligent, relevant search results.

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Connect AI agents to real-time web search and structured content.

搜索与研究有免费版

Search across languages and create content with AI.

搜索与研究有免费版

Search with cited answers, research academic papers, and write professional drafts.

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Search peer-reviewed research and find, organize, and analyze scientific literature.

搜索与研究有免费版