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Model Routing, Not GPUs, Is the Real AI Infrastructure Lever

This story is from 2026-10-03. It is preserved in the archive; the latest stories are on the live feed.

TL;DR — Most teams optimize AI infrastructure cost by chasing cheaper GPUs or better quantization, but the biggest lever is architectural: routing requests across a tiered fleet of models instead of serving everything with one large model. Cascading cheap models first and escalating only on uncerta…

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  1. 2026-10-03 13:16 · DEV Community — AI
    Model Routing, Not GPUs, Is the Real AI Infrastructure Lever

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