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Compact, Lossless JSON Output for LLM Agents: How Much Do You Actually Save?

This story is from 2026-10-20. It is preserved in the archive; the latest stories are on the live feed.

When you hand scraped data to an LLM as an array of JSON objects, every row repeats every key name. For a 400-row export that's thousands of tokens spent on "title" , "view_count" and "author_name" over and over before the model ever sees a single value. We measured how much that actually costs, an…

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  1. 2026-10-20 07:53 · DEV Community — AI
    Compact, Lossless JSON Output for LLM Agents: How Much Do You Actually Save?

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