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RootSpend

The RootSpend blog

Notes for engineering and finance teams on what data and AI tools really cost, and how to pay less for them.

LatestAI costs

How to track OpenAI API costs per team, project and person

Your OpenAI invoice tells you how much you spent, not who spent it. Here is how to split every dollar of API spend between the teams and people behind it.

Data warehouses2 min read

Idle Snowflake warehouses: how to find them and what they cost you

Snowflake bills a running warehouse whether it is busy or not. Here is how to find warehouses that sit idle, work out what that costs, and fix it safely.

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FinOps2 min read

Who pays for the shared warehouse? A practical guide to cost allocation

When one warehouse or one AI account serves many teams, someone still has to pay. Five ways to split the cost, the order to use them in, and how to keep totals honest.

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