Model prices change. Snapshot them on every usage row
A reader asked a sharp question under our post on metering Claude API costs per user : model prices change, so do you store the rate you used on each row, or look it up at report time? This post is the long answer. The short answer: compute the cost when the request happens, store it, and also stor…
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- 2026-11-09 22:25 · DEV Community — AI
Model prices change. Snapshot them on every usage row