El País analyzed 119 bestsellers for AI writing — and found less of it than expected

TuhinChakr · x · 2026-10-13

Spanish daily EL PAÍS tested a sample of 119 popular books from 2025-2026 — Amazon and Casa del Libro bestseller lists plus a major literary prize winner — for AI-generated writing.

The surprise: less AI content than expected, suggesting publishers are safe for now. The thread also raises the broader debate over whether writing with AI is a problem of our era or one that will persist.

Related event: Spanish Newspaper Tests 119 Bestsellers, Finds Fewer AI Traces Than Expected(2 posts)→

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