New: Cookbooks and AI ExplanationsStep-by-Step recipes to solve problems connected to Roadmaps and Cheat Sheets. Need more details? Use AI buttons for structured and simple explanations with concrete examples throughout the whole platform.Take a look
You want to build something ambitious, and you have no idea if it will bankrupt you at scale.
What you'll have at the end
A written estimate of cost per request and the user count where it stops making sense
You need
A working first version of the feature that already sends one real request end to end, plus a rough number in mind for what you're willing to spend on it each month.
Not covered
Cutting the cost once you have the number, through caching, routing, or a cheaper model, which is a separate job from producing the estimate itself.
Leans on
Put every model call behind one gateway that routes, caches, and falls back
go here once the estimate says you need real, automatic routing between tiers instead of a one-time manual choice
Log the token count and dollar cost behind every API call you make
once you ship, use this to track the real per-call cost against the estimate you just wrote down
Checked 15 Aug 2026
Part of the AI Engineering cookbook