LLM routing in production: Choosing the right model for every request

**LLM routing in production: Choosing the right model for every request**

The first time your LLM bill crosses $10,000 in a month, you start paying attention. When it hits $50,000, you start making spreadsheets. Somewhere around $100,000, you realize that you might need a fundamentally different approach. Most teams reach this moment the same way. Something like this: they launched with a single model (usually the best one they could afford) and scaled it across every use case in their product...

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