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Meta's Llama 3.1 can recall 42 percent of the first Harry Potter book


New research could have big implications for copyright lawsuits against generative AI.

This technique greatly reduced the cost of the research, allowed the authors to analyze more books, and made it feasible to precisely estimate very low probabilities. The fact that language models are capable of regurgitating substantial portions of popular works like Harry Potter, 1984, and The Hobbit could cause judges to look at these fair use arguments more skeptically. Most leading labs, including OpenAI, Anthropic, and Google, have increasingly restricted access to these so-called logits, making it more difficult to study these models.

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Meta's Llama 3.1 Can Recall 42% of the First Harry Potter Book

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