How to tell if a book was written by AI, and how the use of AI is disguised

TechnologyInternationalBioBioChileOct 27, 2026, 8:10 PM40 s readAI summary

An article in The Conversation by Javier Arroyo Gallardo (University of Alcalá) explains how AI-generated text is detected and how it is concealed. AI writes token by token, choosing among words whose probabilities are tied to their frequency in training texts, leaving traces such as common vocabulary, filler words and didactic formulas. Stylometry, perplexity and detectors specifically trained for the task, such as Pangram, are the strategies described. The text mentions the case of Thélyson Orélien's novel, withdrawn from a literary competition over suspected AI use.

In 40 seconds

AI generates text token by token, with probabilities tied to word frequency in its training texts
Stylometry and perplexity look for uniform patterns that reveal AI-generated text
Detectors trained for the task, such as Pangram, are the best existing strategy according to the article

Read the full story at BioBioChile

IASummary generated by artificial intelligence from a story by BioBioChile. It may contain errors: the original source prevails.

IA
detectores de texto
libros
Pangram
estilometría

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How to tell if a book was written by AI, and how the use of AI is disguised

In 40 seconds

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Keep reading

Dan Driscoll, former US Army secretary, joins OpenAI as senior national security advisor

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