Model Routing in Agents: Stick to One Strong Model or Mix Cheaper and Expensive?
EditorDue6725 · reddit · 2026-08-24
The post discusses the trade-off in agent workflows between using a single strong model for every step versus routing simpler tasks (classification, summaries) to cheaper models and reserving strong models for final reasoning. The author notes that mixing models introduces additional debugging complexity, while using a strong model everywhere feels wasteful for basic tasks. Comments are debating the practical value and engineering overhead of such model routing.
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