Dropping Model Routing? Single GPT Workflow Outperforms Mixed Models
kevinkern · x · 2026-08-02
Addressing the industry trend of complex "Model Routing" in AI applications, developer Kevin Kern shared his empirical findings. After testing various mixed-model routing patterns, he concluded that simply using a single GPT model for the entire workflow actually performs better overall.
This adds weight to the ongoing debate over whether model routing is practically useful or if single-model workflows win when token costs drop low enough.
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