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Why your planner-executor split is creating more problems than it solves?

This story is from 2026-10-07. It is preserved in the archive; the latest stories are on the live feed.

I spent three weeks trying to fix a planner-executor pipeline that was failing in a way I couldn't name. The planner produced clean, well-structured plans. The executor followed them step by step. And the system was slower, more expensive, and less accurate than a single agent doing the whole thing…

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  1. 2026-10-07 20:37 · DEV Community — AI
    Why your planner-executor split is creating more problems than it solves?

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