Yeah that's a good question. Google does serve all the out-of-copyright books, but I know nothing about the inputs to the LLMs. I think they still have big co

Yeah that's a good question. Google does serve all the out-of-copyright books, but I know nothing about the inputs to the LLMs. I think they still have big computational limitations, i.e. it doesn't "just scale" like web crawling and indexing. There's probably a way to probabilistically test from the outside if a given work is in the input set, or at least if some work is