At the very least it is reasonable to separate out high volume usage versus front end replacement and paywalling the former. Since you don't monetize, my intuit

At the very least it is reasonable to separate out high volume usage versus front end replacement and paywalling the former. Since you don't monetize, my intuition is that alternate front ends shouldn't actually be changing your cost. Though I can understand wanting some sort of revenue or cost sharing if revenue is being generated - or these front ends just being free in the spirit of hn.