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LLM Model Routing: Build a Cheap-First Cascade in Python

Model routing is a runtime layer that decides, for each individual request, which language model or sequence of models should serve it, so easy work costs pennies and only genuinely hard work burns the flagship model. It matters now because GitHub made routing the default path in Copilot on 28 Octo…

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  1. 2026-11-04 03:59 · DEV Community — Machine Learning
    LLM Model Routing: Build a Cheap-First Cascade in Python

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