ResearchBenchmarksDialogue Quality Evaluation on M2MFollow0.634Naturalness (NAT)M2M0.60230.618150.6340.64985Jun 11, 2026Evaluation ResultsMethodMethodLinksNaturalness (NAT)Understandability (UND)Coherence (COH)Average Quality ScoreM2MEvaluation Framework=U...Evaluation Framework=UniEval2026.060.6340.6160.7010.65