AINewsnow

Patterns I keep finding in real system prompts:

Pretty-printed JSON. The indentation costs tokens. Minify it. Repeated instructions. "Respond in JSON" at the top and the bottom. Duplicate lines. Leftovers from editing a prompt over time. Filler. "I would like you to please…", "Thanks in advance!" Long examples. Often the single biggest cost. I b…

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  1. 2026-10-28 20:47 · r/PromptEngineering
    Patterns I keep finding in real system prompts:

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