Show HN: Convert Anthropic and OpenAI bill exports to FinOps FOCUS (open source)

Category: devtools

Tags: finops, billing, csv-converter, ai-costs, focus-spec, validation

Score: 6.3/10 (Innovation: 6, Technical: 6, Documentation: 7, Utility: 6)

Converts AI provider billing exports (Anthropic, OpenAI, Together AI) into the FinOps FOCUS standard CSV format, and validates arbitrary CSVs against FOCUS rule sets locally. Notable for its careful cost reconciliation logic (preserving provider dollar figures while deriving unit prices from token counts) and for porting the FOCUS validator rule models to JavaScript. Fills a real niche for teams doing AI cost observability.

Target audience: devops, platform engineers, finance/FinOps analysts, backend devs

Repository: https://github.com/mandarvshinde/ai-bill-to-focus · TypeScript · MIT

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