They are solving unsolved math problems right now, so probably soon or very soon their output will be more valuable than all human recorded knowledge.
And also, humans have been doing a lot more work than just mathematics...
The knowledge that created the Haber-Bosch process [1] helps to sustain the majority of the world's populous, add another five hundred trillion dollars for that just to start with.
The creation of the printing press and all written information that allowed it to be built provided dissemination of knowledge beyond the ultra wealthy and is worth a non-finite amount of money.
LLM's are cool math, but they are less than a rounding error in comparison to even the tiniest sliver of human knowledge and technological output.
[0] https://pubmed.ncbi.nlm.nih.gov/35143880/ [1] https://cen.acs.org/food/agriculture/The-industrialization-H...