A new extraction technique applied to 200 books and 14 LLMs finds that memorization of full books is rare except in specific high-capacity models where entire texts can be recovered verbatim.
Generative AI’s Illusory Case for Fair Use.Vanderbilt Journal of Entertainment and Technology Law, 27, 2025
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Extracting memorized pieces of (copyrighted) books from open-weight language models
A new extraction technique applied to 200 books and 14 LLMs finds that memorization of full books is rare except in specific high-capacity models where entire texts can be recovered verbatim.