FinOps
Articles tagged FinOps — notes and deep-dives grouped under this topic.
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Native versus normalized tokens: why your cost formula diverges from the OpenRouter bill
Three systems reported three sums for one window. Only one of them was an independent measurement, and the tokens in the response were not the tokens on the bill.
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OpenCost: Kubernetes cost allocation by namespace and pod
The cloud bill knows the price of an instance, not the price of a service. OpenCost (CNCF Incubating) splits cluster spend by namespace and pod: the engine and its pitfalls, OpenCost vs Kubecost vs AWS SCAD, idle cost and the path to unit economics.
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Three levers against Kubernetes overspend: idle, scale-to-zero, right-sizing
The average cluster runs at 20–30% utilization. You pay for the rest. Three levers that recover the money without rewriting your architecture.
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FinOps Is Rationality, Not Cost-Cutting
Cloud overspend isn’t negligence — it’s the sum of locally rational decisions. Change the information environment, not the people.
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Saving Tokens in Agents: What the Survey Gets Right and What It Over-sells
A map of four token-cost techniques — caching, lazy tools, routing, compaction. It buries the cache's real consequence in a footnote, while two counter-intuitive facts are worth the whole map.