Perplexity

Perplexity

Perplexity is an AI search engine that answers questions with real-time, cited sources.

AIResearchWritingChatFreemium

Perplexity is an AI-powered search engine that provides real-time, cited answers by combining web search results with large language models, offering deep research, file analysis, and multi-step reasoning.

perplexity.ai
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主な機能

  • Smart Search

    Find relevant sources, surface evidence, and speed up discovery tasks.

  • Quick Summaries

    Turn long inputs into concise takeaways that are easier to review and share.

  • Document Work

    Work with files, PDFs, and notes more efficiently across document-heavy tasks.

  • Core Feature

    Use AI to complete the task faster with less manual work.

長所

  • Real-time web search with cited sources
  • Deep research mode for complex queries
  • Free tier with Pro daily usage limits
  • File upload and analysis support

注意点

  • Full access to advanced models requires Pro
  • Occasional factual inaccuracies in summaries

おすすめ用途

Students

Study / Summaries / Writing

Developers

Coding / Debugging / Automation

Office Users

Docs / Collaboration / Recaps

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