Not sure if that’s a joke about LLM math performance, but pedantry requires me to point out 15 / 75 = 1/5
In case it makes you feel better: I wondered the same thing. It's not explained anywhere on the blog post. In that poste they assume everyone knows how pricing works already I guess.
they mean it used to be $15/m input and $75/m output tokens
15$/Megatoken in, 75$/Megatoken out