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LLMs excel at debate generation but struggle as evaluators, study finds

A research paper details the DS@GT ARC submission for the Touché 2025 Retrieval-Augmented Debate task, which involved using six leading large language models (LLMs) from three providers. The task included generating debate utterances and evaluating them based on conversational maxims. The study found that while frontier LLMs are effective at generating responses and show strong agreement within their model families when acting as evaluators, this internal consensus does not reliably predict official evaluation performance, particularly for the 'Quality' maxim. AI

IMPACT Highlights limitations in LLM evaluation capabilities, suggesting current models may not reliably assess nuanced aspects like response quality in complex tasks.

RANK_REASON Research paper published on arXiv detailing LLM performance on a debate task.

Read on arXiv cs.CL →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

LLMs excel at debate generation but struggle as evaluators, study finds

COVERAGE [2]

  1. arXiv cs.CL TIER_1 English(EN) · Anthony Miyaguchi, Conor Johnston ·

    DS@GT ARC at Touch\'e: Large Language Models for Retrieval-Augmented Debate

    arXiv:2608.08143v1 Announce Type: cross Abstract: We extend the DS@GT ARC working-note submission to the Touch\'e 2025 Retrieval-Augmented Debate task. The task has two subtasks: generating the next utterance in a simulated debate, and evaluating debate responses according to the…

  2. arXiv cs.IR (Information Retrieval) TIER_1 English(EN) · Conor Johnston ·

    DS@GT ARC at Touché: Large Language Models for Retrieval-Augmented Debate

    We extend the DS@GT ARC working-note submission to the Touché 2025 Retrieval-Augmented Debate task. The task has two subtasks: generating the next utterance in a simulated debate, and evaluating debate responses according to the Gricean maxims of Quantity, Quality, Relation, and …