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Hugging Face Blog·· 2026-07-16

Model Routing Is Simple. Until It Isn’t.

Model Routing Is Simple. Until It Isn’t.

AI summary

IBM Research shared its experience building model routing into agent systems on the Hugging Face blog, noting that most routers treat model selection as classification when it is actually a systems-optimisation problem.

Selection record

Not admittedSum of both 116 < twice the threshold 120

Source tier
Official, first-hand; this tier's threshold is 60
Pre-filter
passed:讨论AI Agent模型路由优化技术

A model scores each item twice, independently, against one written standard, out of 100. An item is admitted only when the two scores add up to twice the threshold. The threshold is set per source tier.

Source: Hugging Face Blog · huggingface.co