Study maps AI text in books and finds fantasy horror has the lowest diffusion

TuhinChakr · x · 2026-07-29

The author clarifies that the work is not calling all AI-assisted books “slop”; it is measuring different bands of AI text in books instead.

A key point from the cited heatmap is that fantasy/horror is the genre where human authors still earned more revenue than in 2023, and it is also the genre with the least AI diffusion. The post argues that a 40% AI-text book can still contain substantial human contribution in ideas, structure, and opinions.

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