ResearchBenchmarksOpen-ended conversation on DailyDialog out-of-domainOpen-ended conversation on DailyDialog out-of-domainFollow12.01ROUGE-LSoVA6.09247.62879.16510.7013May 13, 2026Evaluation resultsMethodMethodLinksROUGE-LBLEU-2SoVACategory=Retrieval-basedCategory=Retrieval-based2026.0512.013.79DirectCategory=Prompt-basedCategory=Prompt-based2026.0511.23.5MPCategory=Prompt-basedCategory=Prompt-based2026.059.932.15RAGCategory=Retrieval-basedCategory=Retrieval-based2026.058.182.1ECoTCategory=Prompt-basedCategory=Prompt-based2026.057.622.09PSCategory=Prompt-basedCategory=Prompt-based2026.056.322.13