Policy & safetyPolicy / regulationPolicy & Regulation1 source · Oct 21, 2026

How Wikipedia’s Editors Keep the Online Encyclopedia Human-Written

Ellia Lebleu is a founding member of the WikiProject AI Cleanup, a volunteer effort launched in 2023 to find and remove AI-generated material from Wikipedia that breaks the website’s guidelines.

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Key points

  • Today, the project’s volunteers are developing tools to detect subtler forms of machine-generated content and debating AI’s role in the world’s most widely used encyclopedia.
  • When did you realize Wikipedia had a problem with AI-generated material?
  • How do editors spot AI-generated writing today?
  • Sometimes an AI hallucinates a citation entirely, although that’s much rarer today because of retrieval-augmented generation that allows the AI to find sources.

Sources (1)

  • [1]How Wikipedia’s Editors Keep the Online Encyclopedia Human-Written
    IEEE Spectrum: AI · Oct 21, 01:00 PM
    Ellia Lebleu is a founding member of the WikiProject AI Cleanup, a volunteer effort launched in 2023 to find and remove AI-generated material from Wikipedia that breaks the website’s guidelines.
    Today, the project’s volunteers are developing tools to detect subtler forms of machine-generated content and debating AI’s role in the world’s most widely used encyclopedia.

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