ResearchBenchmarksReasoning trace quality evaluation on eSNLIFollow5.9Grammar ScoreCRAFT2.263.2054.155.095Apr 15, 2026Evaluation ResultsMethodMethodLinksGrammar ScoreRep-Step PenaltyRep-Word PenaltyCRAFTModel=o4-miniModel=o4-mini2026.045.921.4CRAFTModel=GPT-5.4-nanoModel=GPT-5.4-nano2026.042.41.51.2