The fanfiction community is at war with AI — and itself

Fanfiction communities are attempting to identify and root out writers who use generative AI tools, driven by concerns about environmental impact and how AI models are trained by scraping content from the open web. An anonymous account released a tool for a popular fanfic repository that detects coding artifacts left behind when text is copied directly from one AI chatbot, triggering a widespread effort to publicly identify flagged authors. However, the detection method has significant limitations: it only catches text copied directly into the platform, misses work edited elsewhere first, cannot determine how heavily AI was used, and does nothing about other AI models or platforms. The source notes that reliable technological solutions for detecting AI-generated text do not currently exist, and that fanfiction communities have historically relied on subjective judgments about writing quality and style rather than technical tools.