Asked about Find out where the money goes
How do you measure the cost of an AI feature?
An answer that works
Cost per completed task rather than per call, including retries and failed runs. Tag every call with a task id so a whole job can be summed, and record tokens, cost and latency for each.
Reading an answer is not being able to give one. The section that teaches this is Find out where the money goes, 2 hours of Cost & latency engineering.
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