AI squeezes writers' income: Analysis of 14,419 novels finds about 20% of books have over 25% AI content - IT之家

A study of 14,419 Amazon self-published novels found AI-generated text is widespread, with about 20% containing substantial AI content.

Roughly one in three new bestseller entries included some AI material, suggesting rapid growth in AI-assisted fiction.

Researchers warn this trend may cut sales, income, and market share for human authors while reshaping bestseller rankings.