>You are never going to get the exact book word-for-word using LLM.

This is pretty much the exact claim of a NYT lawsuit against OpenAI.

"One example: Bing Chat copied all but two of the first 396 words of its 2023 article “The Secrets Hamas knew about Israel’s Military.” An exhibit showed 100 other situations in which OpenAI’s GPT was trained on and memorized articles from The Times, with word-for-word copying in red and differences in black."

https://www.hollywoodreporter.com/business/business-news/cou...