[2607.26212] Multi-Agent Debate Strategies: Survey, Taxonomy, and Challenges

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arXiv:2607.26212 (cs)

[Submitted on 28 Jul 2026]

Title:Multi-Agent Debate Strategies: Survey, Taxonomy, and Challenges

Authors:Quim Motger, Marc Oriol, Jordi Marco, Xavier Franch<br>View a PDF of the paper titled Multi-Agent Debate Strategies: Survey, Taxonomy, and Challenges, by Quim Motger and 3 other authors

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Abstract:Multi-Agent Debate (MAD) is a promising paradigm for improving the accuracy and robustness of Large Language Model (LLM)-based agentic systems. It enables multiple agents to exchange arguments, critique each other's outputs, and iteratively converge towards a solution. However, research remains fragmented, with inconsistent terminology and no rigorous synthesis of MAD design dimensions. We present a systematic literature review characterizing 141 primary studies on MAD. We derive a three-dimensional taxonomy covering debate participants, the interaction mechanisms structuring the exchange, and the agreement protocols governing debate resolution, supported by formal notations to render MAD configurations. Our analysis reveals that the field has implicitly converged on a narrow design pattern - static, fully connected topologies, verbatim exchange, short-term memory and voting resolution strategies - adopted by convention rather than systematic comparison, while promising alternatives remain marginal. Because any MAD setting reflects roughly a dozen interacting design decisions, cross-study comparison is unreliable when these are left implicit. We position the taxonomy as a descriptive map of the research landscape, a framework for controlled benchmarking, and potentially as a schema for machine-readable MAD specifications. As future work, we propose formalizing it into an executable specification, enabling cost-aware benchmarking and automated tuning of debate configurations.

Comments:<br>Under review at ACM Computing Surveys

Subjects:

Software Engineering (cs.SE); Artificial Intelligence (cs.AI)

Cite as:<br>arXiv:2607.26212 [cs.SE]

(or<br>arXiv:2607.26212v1 [cs.SE] for this version)

https://doi.org/10.48550/arXiv.2607.26212

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arXiv-issued DOI via DataCite

Submission history<br>From: Quim Motger [view email]<br>[v1]<br>Tue, 28 Jul 2026 19:26:50 UTC (448 KB)

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