150 near-identical AI kids'-book covers prove the tell is sameness (lcamtuf.substack.com)
The single em-dash tell is dead, the author argues. What gives AI away is aggregate sameness across many outputs, not any one artifact.
His proof: a collage of roughly 150 AI-generated kids' encyclopedia covers, many of them category bestsellers, recycling the same tropes and surnames.
The thread named the mechanism, then questioned whether the sample proves anything.
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