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Blog
Practical writing on cloud cost allocation, Kubernetes and AI spend, and running FinOps with Claude and the Costory MCP.
Cost allocation
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Why we built enrichments: what two years of cloud cost allocation taught us about tagging
A shared database can be perfectly tagged and still tell you nothing about what each product costs to run. Enrichments apply the ownership table you already keep, with dates.
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AI cost
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How we track our AI margin per customer with OpenRouter
How Costory routes LLM calls through OpenRouter presets and uses the BigQuery Broadcast trace export to split AI spend per customer, component and product feature, while billed amounts stay the source of truth.
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Guide
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BigQuery cost audit: 4 INFORMATION_SCHEMA queries that find waste
The GCP invoice tells you what BigQuery cost last month, not which table, user or query drove it. A BigQuery cost audit answers that with plain SQL on INFORMATION_SCHEMA, reading metadata only: repeated queries, logical vs physical storage, on-demand vs slots, forgotten backup tables.
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Kubernetes
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Kubernetes Cost Allocation: Every Way to Get Per-Namespace Costs That Match Your Invoice
Every working solution for Kubernetes cost allocation — the native options on EKS, GKE, and AKS, plus the OpenCost path for everything else, down to the method that matches your invoice.
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Marketplace
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Costory is available on AWS Marketplace
Teams can buy Costory through AWS Marketplace and use their existing AWS billing relationship.
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AI cost
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How do you allocate LLM costs by team across OpenAI, Anthropic, Bedrock, Vertex and Mistral?
Use each provider's native split (project, key, role or label per team), then unify the bills into one team and feature view.
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Customer story
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Cloud Unit Economics: How BeReal calculates the cost of a Single Notification
Google "cloud cost optimization" and every article lists the same tactics: rightsizing, reserved instances, spot, turning off dev instances at the…
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Engineering
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How we built our FinOps MCP server: lessons learned
Costory pulls in billing data from all your cost centers (AWS, GCP, Azure, Cursor, Anthropic, Aiven, Kubernetes Cost), normalizes it into one common…
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Marketplace
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Costory is now available on AWS and Google Cloud marketplaces
Costory can be purchased through both AWS Marketplace and Google Cloud Marketplace.
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Partner
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Costory recognized as a Google Cloud Ready – BigQuery partner
Costory received the Google Cloud Ready – BigQuery designation.
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