Smart routing across frontier labs only: 69% cost cut, 99.2% success, lower latency

shensi · x · 2026-09-10

Answering skeptics who assume model routing saves money only by swapping in cheaper open-source models, Merge API re-ran its gateway eval restricted to frontier-lab models from Anthropic, OpenAI and Google. Across the same 120 tasks, smart routing cut costs 69%, returned results faster every time, and still hit a 99.2% success rate — showing big savings exist even within frontier models.

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