LLMs can regurgitate almost all of the Harry Potter books, among others [0]. Clearly, these models can actually regurgitate large amounts of their training dat

LLMs can regurgitate almost all of the Harry Potter books, among others [0]. Clearly, these models can actually regurgitate large amounts of their training data, and reconstructing any gaps would be a lot less impressive than implementing the project truly from scratch. (I'm not claiming this is what actually happened here, just pointing out that memorization is a lot more plausible/significant than you say) [0] https://www.theregister.com/2026/01/09/boffins_probe_commercial_ai_models/ https://www.theregister.com/2026/01/09/boffins_probe_commerc...