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Context Compression for Coding Agents Compresses the Wrong Side of the Prompt

This story is from 2026-09-28. It is preserved in the archive; the latest stories are on the live feed.

Most engineering teams working on long-context agents hit the same billing wall around turn twenty. A coding agent runs twenty shell commands, reads twelve files, and runs pytest three times. By turn twenty-five, the prompt is 80,000 tokens long. Over eighty percent of those tokens are terminal dum…

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  1. 2026-09-28 16:18 · DEV Community — AI
    Context Compression for Coding Agents Compresses the Wrong Side of the Prompt

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