Earlier quoted context omitted.
> Then we'll be able to guesstimate if "labs are subsidising tokens on API pricing". No, you don't. Without training cost you can infer only the marginal cost of serving this kind of models. Moreover, you don't know the actual size of closed models (what if Fable is a 10T model? What if it's 1T?)
> Without training cost you can infer only the marginal cost of serving this kind of models. Which is by far the most interesting number of the two. > Moreover, you don't know the actual size of closed models (what if Fable is a 10T model? What if it's 1T?) If you get close in output quality, then does that matter?
Only if you don't have to continuously train new models, and you are not at a runway risk.