TL;DR—couldn’t exactly replicate their results, but broadly confirmed their findings. They agree that the optimal range is 5–40 tokens per parameter, and close to 20 for the “chinchilla” model from the original paper.

Very unusual choice to reconstruct the dataset by eyeballing the graph in the source paper (why not just ask for it…?) and it’s not really clear why the result is dressed up behind the salacious-seeming abstract.