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YYLO Pro
Compare agent attempts with evidence that lasts.
Listed in A/B Testing & Developer Tools ·Published October 2026
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About this tool

YYLO Benchmark is an open-source tool for evaluating coding agents through immutable plans, isolated attempts, and governed grading. It provides transparent, evidence-based comparison of agent performance to help teams choose the best workflow. Part of the YYLO system for managing coding agents.

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