Your agent only needs a classifier for tool routing — 20x cheaper, 400ms
multiply_matrix · x · 2026-09-18
Amid the hype around small-model approaches, one developer pushes back on the "it's just a classifier" dismiss: parts of your agent pipeline may only need a classifier.
Spending LLM reasoning tokens just to decide which tool to call is wasteful — a small classifier does the same routing in 400ms at roughly 20x lower cost. The takeaway: tier your agent architecture by task difficulty.
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