JetBrains found that the popular AI coding optimization reduced output token consumption without hurting performance, but delivered a fraction of the savings claimed by supporters.

A paired A/B benchmark of the token-compression skill Caveman on Claude Code, run on SkillsBench: does it actually save tokens, and does it degrade AI agent output quality?…

JetBrains found that the popular AI coding optimization reduced output token consumption without hurting performance, but delivered a fraction of the savings claimed by supporters.