Caveman Prompting Yields Only 8.5% Token Savings, Not 65%
July 28, 2026
Testing of the 'Caveman' token-compression skill on Claude Code shows a measured saving of 8.5% for real agentic tasks, far below the advertised 65%. While output tokens may decrease, the actual utility and cost savings for agentic workflows are significantly lower than claimed.
HOW THIS AFFECTS YOU
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builderDo not rely on extreme prompt compression techniques for significant cost reductions in production agent loops.
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founderBe cautious of marketing claims regarding token optimization in agentic toolkits.