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I cut my agent bill by shrinking the prompt, not the model

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

I kept trying to lower my agent costs by switching models. GPT-5 for one step. Claude Opus for planning. Gemini Flash for classification. Maybe Qwen for background work. Maybe Llama for cheap branches. That was not the main problem. The main problem was that my workflows were hauling too much junk…

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  1. 2026-09-16 22:09 · DEV Community — AI
    I cut my agent bill by shrinking the prompt, not the model

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