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Large Language Model-based Multi-Agent Systems (MASs) have emerged as a powerful paradigm for tackling complex tasks through collaborative intelligence. However, the topology of these systems--how agents in MASs should be configured,…

Multiagent Systems · Computer Science 2025-10-20 Jiaxi Yang , Mengqi Zhang , Yiqiao Jin , Hao Chen , Qingsong Wen , Lu Lin , Yi He , Srijan Kumar , Weijie Xu , James Evans , Jindong Wang

Multi-agent systems (MAS) decompose complex tasks and delegate subtasks to different large language model (LLM) agents and tools. Prior studies have reported the superior accuracy performance of MAS across diverse domains, enabled by…

Multiagent Systems · Computer Science 2025-05-27 Mingyan Gao , Yanzi Li , Banruo Liu , Yifan Yu , Phillip Wang , Ching-Yu Lin , Fan Lai

To combat the prohibitive communication costs of ``free-for-all" multi-agent systems (MAS), we introduce \textbf{Agent-GSPO}, a framework that directly optimizes for token economy using sequence-level reinforcement learning. Agent-GSPO…

Multiagent Systems · Computer Science 2025-10-28 Yijia Fan , Jusheng Zhang , Jing Yang , Keze Wang

Recent advancements in Large Language Models (LLMs) and autonomous agents have demonstrated remarkable capabilities across various domains. However, standalone agents frequently encounter limitations when handling complex tasks that demand…

Computation and Language · Computer Science 2025-05-29 Rennai Qiu , Chen Qian , Ran Li , Yufan Dang , Weize Chen , Cheng Yang , Yingli Zhang , Ye Tian , Xuantang Xiong , Lei Han , Zhiyuan Liu , Maosong Sun

While Multi-Agent Systems (MAS) empower Large Language Models to tackle complex reasoning tasks through collaborative interaction, optimizing their dynamics remains a formidable challenge due to the discrete, non-differentiable nature of…

Multiagent Systems · Computer Science 2026-05-29 Wenwu Li , Yuran Song , Mingze Zhao , Bo Jin , Wenhao Li

Large language model(LLM)-driven multi-agent systems(MAS) coordinate specialized agents through predefined interaction topologies and have shown promise for complex tasks such as competition-level code generation. Recent studies demonstrate…

Multiagent Systems · Computer Science 2026-02-20 Siyu Wang , Ruotian Lu , Zhihao Yang , Yuchao Wang , Yanzhou Zhang , Lei Xu , Qimin Xu , Guojun Yin , Cailian Chen , Xinping Guan

Multi-agent systems (MAS) composed of large language models often exhibit improved problem-solving performance despite operating on identical information. In this work, we provide a formal explanation for this phenomenon grounded in…

Computation and Language · Computer Science 2026-01-22 Christopher Scofield

Large Language Model Powered Multi-Agent Systems (MASs) are increasingly employed to automate complex real-world problems, such as programming and scientific discovery. Despite their promising, MASs are not without their flaws. However,…

Software Engineering · Computer Science 2025-09-18 Yu Ge , Linna Xie , Zhong Li , Yu Pei , Tian Zhang

While multi-agent systems (MAS) have demonstrated superior performance over single-agent approaches in complex reasoning tasks, they often suffer from significant computational inefficiencies. Existing frameworks typically deploy large…

Artificial Intelligence · Computer Science 2026-01-27 Jingbo Wang , Sendong Zhao , Jiatong Liu , Haochun Wang , Wanting Li , Bing Qin , Ting Liu

While Multi-Agent Systems (MAS) excel at complex tasks, their growing autonomy with operational complexity often leads to critical inefficiencies, such as excessive token consumption and failures arising from misinformation. Existing…

Multiagent Systems · Computer Science 2026-03-03 Fulin Lin , Shaowen Chen , Ruishan Fang , Hongwei Wang , Tao Lin

Multi-agent systems (MAS) increasingly solve complex tasks by orchestrating agents and tools selected from rapidly growing marketplaces. As these marketplaces expand, many candidates become functionally overlapping, making selection not…

Multiagent Systems · Computer Science 2026-02-02 Xinyuan Song , Liang Zhao

Multi-agent systems (MAS) demonstrate clear advantages in tackling complex problems by coordinating diverse agents and external tools. However, most existing orchestration methods rely on static workflows or serial agent scheduling, and are…

Artificial Intelligence · Computer Science 2026-04-21 Wenzhen Yuan , Wutao Xiong , Fanchen Yu , Shengji Tang , Ting Liu , Tao Chen , Peng Ye , Yuzhuo Fu , Wanli Ouyang , Lei Bai

Recursive or looped language models have recently emerged as a new scaling axis by iteratively refining the same model computation over latent states to deepen reasoning. We extend such scaling principle from a single model to multi-agent…

Artificial Intelligence · Computer Science 2026-04-29 Xiyuan Yang , Jiaru Zou , Rui Pan , Ruizhong Qiu , Pan Lu , Shizhe Diao , Jindong Jiang , Hanghang Tong , Tong Zhang , Markus J. Buehler , Jingrui He , James Zou

As AI agents evolve, the community is rapidly shifting from single Large Language Models (LLMs) to Multi-Agent Systems (MAS) to overcome cognitive bottlenecks in automated research. However, the optimal multi-agent coordination framework…

Multiagent Systems · Computer Science 2026-05-12 Yang Shen , Zhenyi Yi , Ziyi Zhao , Lijun Sun , Dongyang Li , Chin-Teng Lin , Yuhui Shi

This paper addresses the limitations of a single agent in task decomposition and collaboration during complex task execution, and proposes a multi-agent architecture for modular task decomposition and dynamic collaboration based on large…

Artificial Intelligence · Computer Science 2025-11-04 Shuaidong Pan , Di Wu

Hierarchical multi-agent systems (HMAS) organize collections of agents into layered structures that help manage complexity and scale. These hierarchies can simplify coordination, but they also can introduce trade-offs that are not always…

Multiagent Systems · Computer Science 2025-08-19 David J. Moore

With recent advances in Large Language Models (LLMs), Agentic AI has become phenomenal in real-world applications, moving toward multiple LLM-based agents to perceive, learn, reason, and act collaboratively. These LLM-based Multi-Agent…

Artificial Intelligence · Computer Science 2025-01-14 Khanh-Tung Tran , Dung Dao , Minh-Duong Nguyen , Quoc-Viet Pham , Barry O'Sullivan , Hoang D. Nguyen

The emergence of Large Language Models (LLMs) in Multi-Agent Systems (MAS) has opened new possibilities for artificial intelligence, yet current implementations face significant challenges in resource management, task coordination, and…

Multiagent Systems · Computer Science 2025-12-03 Junwei Yu , Yepeng Ding , Hiroyuki Sato

Multi-agent systems (MAS) powered by large language models (LLMs) have emerged as a powerful paradigm for complex problem solving, where performance critically depends on the underlying inter-agent communication topology. However, existing…

Machine Learning · Computer Science 2026-05-19 Xuefei Wang , Jialu Wang , Fengbo Zhang , Yihan Hu , Di Zhang , Yutong Ye , Yikun Ban , Jun Han , Ruijie Wang

Agents powered by advanced large language models (LLMs) have demonstrated impressive capabilities across diverse complex applications. Recently, Multi-Agent Systems (MAS), wherein multiple agents collaborate and communicate with each other,…

Multiagent Systems · Computer Science 2026-05-15 Shijun Li , Hilaf Hasson , Joydeep Ghosh