Wikipedians Underestimated AI: LLM-Written Articles Banned Since 2026

Wikipedians prepared for AI but underestimated its impact: by March 2026, writing articles with large language models was banned, leaving them only translation and minor proofreading. A Princeton study found about 5% of nearly 3,000 new English Wikipedia articles in August 2024 contained substantial AI-generated content.

• LLMs banned from writing Wikipedia articles since March 2026
• AI limited to translation and minor proofreading only
• About 5% of new articles in August 2024 had AI content
• Essay "Death of Wikipedia" warned of displacing human writers