Case 090 cost / found in the API bill
Fifty dollars a day became five. The bookings kept coming.
The AI operation was costing about fifty dollars a day in API spend. Tolerable while it worked, invisible in any single decision, and adding up to a real number every month.
The redesign was a rule, not a trick: pay for intelligence only where judgment is required. Conversations that need emotional reading go to the AI. Routine requests go to deterministic logic that costs almost nothing. On paper the design projected roughly 40% savings.
The day it switched on, mid-afternoon, the bill read five dollars instead of fifty. The system booked two appointments anyway.
One day's reading, reported the day it happened, so treat the 90% as that day and not an audited monthly average. The direction held.
Most AI bills are not the price of intelligence. They are the price of using intelligence where a lookup would do.
Outcome. About forty five dollars a day off the AI bill, roughly thirteen hundred a month, with bookings unchanged. One day's reading, reported that day, not an audited monthly average.
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