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prompt mistakes that are quietly wasting your ChatGPT/Claude output (and the fix for each)

This story is from 2026-09-16. It is preserved in the archive; the latest stories are on the live feed.

Been building a prompt library for the past few months and noticed the same 5 mistakes come up constantly, in my own prompts and everyone else's. Sharing them here since I think it's actually the biggest lever most people are missing, way more than model choice. 1. Asking for the output before givi…

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  1. 2026-09-16 09:36 · r/PromptEngineering
    prompt mistakes that are quietly wasting your ChatGPT/Claude output (and the fix for each)

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