Shorter is not simpler: your model router is measuring the wrong thing
If you route LLM traffic by token count, long prompt to the strong model, short prompt to the cheap one, you are running a proxy, not a measurement. And the proxy has a skew: it reads short as simple . Here is the part that should bother you. A 2026 study of LLM routing ( arXiv:2609.17542 ) found t…
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- 2026-10-18 03:29 · DEV Community — Machine Learning
Shorter is not simpler: your model router is measuring the wrong thing