These aren't LLM. Most of the neat things in science, involving AI, aren't LLM. Next word prediction has extremely limited use with non-text data.
People seem to have started to use "LLM" to refer to any suite of software that includes an LLM somewhere within it; you can see them talking about LLM-generated art, for example.
Was it ascii art? ;)
https://hamatti.org/posts/art-forgery-llms-and-why-it-feels-...
People will just believe whatever they hear.