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Your Subagents Are Re-Sending 51K Tokens Every Call. I Built a Tool to Prove It.

This story is from 2026-10-02. It is preserved in the archive; the latest stories are on the live feed.

A recent post here by @ji_ai measured something startling: Claude Code subagents were 48% of their bill while producing 0.9% of the output . The culprit: every Task() call re-sends a fixed preamble of roughly 51K tokens — system prompt, full tool schemas, CLAUDE.md, skill listings — before the suba…

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  1. 2026-10-02 10:03 · DEV Community — AI
    Your Subagents Are Re-Sending 51K Tokens Every Call. I Built a Tool to Prove It.

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