[bccdee]

Because, unlike humans, LLMs reliably reproduce exact excerpts from their training data. It's very easy to get image generation models to spit out screenshots from movies.

[growse]

That doesn't mean that all of the output from an LLM trained on GPL code is a derivative work (and therefore GPL'd too).

[bccdee]

A model that provably engages in systematic, difficult-to-detect plagiarism must itself be considered plagiaristic.