StoryScope detects AI fiction that reads perfectly human

AI fiction detection usually leans on style: em dashes, the word "delve," a taste for purple prose. StoryScope, a pipeline from the University of Maryland and Google DeepMind, throws all of that away. It scores 93.2% macro-F1 separating human stories from AI ones using plot structure alone, and rewriting the prose barely dents the score. Key Takeaways AI stories spell out their own moral 77% of…