Not according to the US Copyright Office. It is 100% LLM output, so it is not copyrighted, thus it's free for anyone to do anything with it and no claimed ownership or license can stop them.
It's possible to use AI output in human created content, and it can be copyrightable, and substantiative, transformative human-creative alteration of AI output is also copyrightable.
100% machine generated code is not copyrightable.
[1] https://newsroom.loc.gov/news/copyright-office-releases-part...
Going into the vault!