From the source
Ai2's infini-gram engine was used by researchers to analyze AI-generated books on
Amazon, finding that books with substantial detected AI text contain more rare expressions from existing books than those without.
Among the top 200 highest-revenue books in each group, those with substantial detected AI text had 4.4 percentage points more rare expressions from existing books, a gap that widened to 22.5 points when compared with award-winning or nominated literature.






