> we find that for 79% and 68% of LLM next-token distributions on TinyStories and Wikipedia, respectively, their top-1 predictions agree with those provided by our N-gram rulesets
Two prediction methods may have completely different mechanisms, but agree sometimes, because they are both predicting the same thing.
Seems a fairly large proportion of language can be predicted by a simpler model.. But it's the remaining percent that's the difficult part; which simple `n-gram` models are bad at, and transformers are really good at.