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I stopped paying twice for the same LLM answer (and why embeddings alone can't dedupe prompts)

This story is from 2026-10-09. It is preserved in the archive; the latest stories are on the live feed.

I kept paying for the same LLM answer twice. An agent retries, a user double-clicks, two workers ask the identical question a second apart, and each one is a fresh model call on the bill. The other thing that kept biting me: when the provider has a bad ten minutes, requests don't fail, they pile up…

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  1. 2026-10-09 22:30 · DEV Community — AI
    I stopped paying twice for the same LLM answer (and why embeddings alone can't dedupe prompts)

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