Model Sommelier — Smallest Sufficient AI

COLDautomotiveGlobal8 Mar 2026

Discovery Lens

C Combination Innovation

Two separate worlds finally connect — and the intersection is a product

One-Liner

An API middleware that automatically routes each AI request to the smallest (cheapest, fastest) model that can handle it at the required quality level.

Kill Reason

RouteLLM (open-source, Lmsys) and LiteLLM already provide model-routing middleware, and multiple well-funded startups are building commercial versions. Without proprietary usage data at massive scale to train better routing heuristics, this remains a commodity middleware layer that enterprises can self-host for free.

What do you think?