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Your cache hit rate is lying to you. It's the caller mix.

This story is from 2026-10-04. It is preserved in the archive; the latest stories are on the live feed.

Your cache hit rate is lying to you. It's the caller mix. One Claude Code deployment: 77% cache hit rate , all green. Same account, one tab over, cron tasks at ~0% , because every run is a fresh session rewriting a ~30K-token static prefix. That is 672 runs a day times 30K tokens, roughly 20M input…

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  1. 2026-10-04 06:02 · DEV Community — AI
    Your cache hit rate is lying to you. It's the caller mix.

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