Wikipedia Bans AI-Generated Content, Allows Limited AI Use with Human Review

Wikipedia has implemented a new policy banning AI-generated encyclopedia entries while permitting limited AI use with human oversight.

Policy Details

The Wikimedia Foundation's flagship site approved a policy that bars editors from using large language models like ChatGPT to generate encyclopedic content. The ban was approved by volunteers in a 40 to 2 vote after months of debate among moderators.

Wikipedia leaders cite several specific concerns with AI-generated text:

• Violates core tenets of verifiability and neutrality
• AI hallucinations create made-up facts
• Broken links and references that lead nowhere
• Inaccurate or fake citations
• Overused phrases and cliches
• Wordy explanations and sudden style transitions

Permitted AI Uses

Under the new policy, Wikipedia's 260,000 editors can still use AI in these specific ways:

• Translating articles from other languages
• Suggesting minor copy edits

All changes must be reviewed by humans, and no new information can be introduced through AI assistance.

Detection and Enforcement

Wikipedia developed bot-detection guidelines last year that help editors spot AI writing. Volunteer editor Ilyas Lebleu, a founding member of the WikiProject AI Cleanup squad, noted that suspicious articles often have "a style that didn't match the style we usually saw on Wikipedia." Suspected cases are reviewed by other editors who can challenge, revise, or remove questionable content.

Context and Impact

Wikipedia co-founder Jimmy Wales called current AI models unreliable and described the situation as a "mess" in October, warning that the technology isn't ready to replace human editors. The policy change comes as ChatGPT traffic exceeded Wikipedia's monthly page visits, with human page views down 8% in late 2025 compared to 2024.

Lebleu, who helped write the new guideline, told 404Media that the growing number of AI-generated articles had become unmanageable for editors, with "holdouts of cautious optimism turning to genuine worry." He warned that Wikipedia's decision might start a broader reckoning, saying "I foresee a domino effect, empowering communities on other platforms to decide whether AI should be welcome on their own terms."