Wikipedia's volunteer editors have rejected founder Jimmy Wales' proposal to use ChatGPT for article review guidance after the AI tool produced error-filled feedback when Wales tested it on a draft submission. The ChatGPT response misidentified Wikipedia policies, suggested citing non-existent sources and recommended using press releases despite explicit policy prohibitions. Editors argued automated systems producing incorrect advice would undermine Wikipedia's human-centered model. The conflict follows earlier tensions over the Wikimedia Foundation's AI experiments, including a paused AI summary feature and new policies targeting AI-generated content.

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Wikipedia volunteer Grnrchst uncovered a decade-long campaign that created articles about composer David Woodard in 335 languages. The investigation identified 200 accounts and IP addresses systematically creating Woodard articles across 92 languages between 2017 and 2019, averaging one new article every six days. From December 2021 through June 2025, 183 unique accounts each created a single Woodard article in different languages after establishing credibility through unrelated edits. Wikipedia stewards removed 235 articles from smaller wikis. Larger Wikipedia communities banned numerous accounts and deleted 80 additional articles. Twenty Woodard articles remain. Grnrchst called it "the single largest self-promotion operation in Wikipedia's history."

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The operator of Wikipedia on Monday lost a legal challenge to parts of Britain's Online Safety Act, which sets tough new requirements for online platforms and has been criticized for potentially curtailing free speech. From a report: The Wikimedia Foundation took legal action at London's High Court over regulations made under the law, which it said could impose the most stringent category of duties on Wikipedia. The foundation said if it was subject to so-called Category 1 duties -- which would require Wikipedia's users and contributors' identities to be verified -- it would need to drastically reduce the number of British users who can access the site. Judge Jeremy Johnson dismissed its case on Monday, but said the Wikimedia Foundation could bring a further challenge if regulator Ofcom "(impermissibly) concludes that Wikipedia is a Category 1 service".

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Wikipedia editors have adopted a policy enabling administrators to delete AI-generated articles without the standard week-long discussion period. Articles containing telltale LLM responses like "Here is your Wikipedia article on" or "Up to my last training update" now qualify for immediate removal. Articles with fabricated citations -- nonexistent papers or unrelated sources such as beetle research cited in computer science articles -- also meet deletion criteria.

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