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LLM API cost attribution playbook for production SaaS teams
生产级SaaS团队必看！LLM API成本归属实战手册，三步实现精细化预算管理。
TL;DR If your SaaS product calls multiple LLM providers, the invoice from OpenAI, Anthropic, Gemini, Bedrock, or OpenRouter is not enough. You need at…