Credits & your own model
What a credit is, how a build spends it, and how to run on your own provider key.
- 01What credits areCredits are how Bookbag charges for builds run on its own AI. Where they come from, when they refresh, and what happens when you run out.
- 02How a build spends creditsThe exact formula, when the charge happens, why cached input is cheaper, and why the same request can cost different amounts twice.
- 03The credit ledgerEvery credit that arrives or leaves is a row you can read. What the columns mean, what the four kinds of entry are, and why some rows are struck through.
- 04Bringing your own AI keyAdd your own provider key and your builds run on it, billed by the provider, spending no Bookbag credits. Setting it up takes about a minute.