Normalize at the Boundary

Mon, 14 Sep 2026 05:00:13 +0100

Part 2 — Get the Model Out of the Chat Box

Three numbers that will not add

Three calls in Chapter 12 performed the same small task, through the same gateway, and all three succeeded. One route reported 38 input tokens. Another reported 279. The third reported 73.

Put those in a spreadsheet and the next move writes itself: sum them, average them, divide the invoice by them, route to whichever chamber is “cheapest per token”. Every one of those moves assumes the three numbers measure the same thing.

Accounting on Programmer.ie: Modern AI programming

Normalize at the Boundary

Three numbers that will not add