ResearchBenchmarksPrompt Hygiene Evaluation on IFEval Hard 10-sample subsetPrompt Hygiene Evaluation on IFEval Hard 10-sample subsetFollow1.43Readability (Human)PREFPO1.08681.17591.2651.3541Mar 13, 2026Evaluation resultsMethodMethodLinksReadability (Human)Specification Quality (Human)Maintainability (Human)Total Score (Human)Readability (LLM)Specification Quality (LLM)Maintainability (LLM)Total Score (LLM)PREFPO2026.031.430.931.173.531.531.071.173.77TextGrad2026.031.10.70.82.61.230.630.92.77