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Multi-turn agent systems based on Large Language Models (LLMs) have become increasingly popular for software engineering tasks. While LLM agents demonstrate promising effectiveness, the high computational cost of input tokens due to…

Software Engineering · Computer Science 2026-03-17 Yuan-An Xiao , Pengfei Gao , Chao Peng , Yingfei Xiong

The evolution of Large Language Models (LLMs) into autonomous agents necessitates the management of extensive, dynamic contexts. Current benchmarks, however, remain largely static, relying on passive retrieval tasks that fail to simulate…

Computation and Language · Computer Science 2026-02-02 Shicheng Fang , Yuxin Wang , Xiaoran Liu , Jiahao Lu , Chuanyuan Tan , Xinchi Chen , Yining Zheng , Xuanjing Huang , Xipeng Qiu

Large language models, employed as multiple agents that interact and collaborate with each other, have excelled at solving complex tasks. The agents are programmed with prompts that declare their functionality, along with the topologies…

Machine Learning · Computer Science 2026-02-03 Han Zhou , Xingchen Wan , Ruoxi Sun , Hamid Palangi , Shariq Iqbal , Ivan Vulić , Anna Korhonen , Sercan Ö. Arık

Large Language Model (LLM) based multi-agent systems have shown remarkable performance in various tasks, especially when enhanced through collaborative communication. However, current methods often rely on a fixed number of agents and…

Computation and Language · Computer Science 2025-07-24 Boyi Li , Zhonghan Zhao , Der-Horng Lee , Gaoang Wang

With the rapid advancement of Large Language Models (LLMs), significant progress has been made in multi-agent applications. However, the complexities in coordinating agents' cooperation and LLMs' erratic performance pose notable challenges…

Large Language Models (LLMs) have shown remarkable reasoning capabilities in mathematical and scientific tasks. To enhance complex reasoning, multi-agent systems have been proposed to harness the collective intelligence of LLM agents.…

Artificial Intelligence · Computer Science 2025-10-22 Zhenyu Bi , Meng Lu , Yang Li , Swastik Roy , Weijie Guan , Morteza Ziyadi , Xuan Wang

The emergence of multi-agent systems powered by large language models (LLMs) has unlocked new frontiers in complex task-solving, enabling diverse agents to integrate unique expertise, collaborate flexibly, and address challenges…

Artificial Intelligence · Computer Science 2025-11-05 Jingbo Wang , Sendong Zhao , Haochun Wang , Yuzheng Fan , Lizhe Zhang , Yan Liu , Ting Liu

Multi-agent systems (MAS) solve complex problems through coordinated autonomous entities with individual decision-making capabilities. While Multi-Agent Reinforcement Learning (MARL) enables these agents to learn intelligent strategies, it…

Multiagent Systems · Computer Science 2025-10-10 Xinren Zhang , Sixi Cheng , Zixin Zhong , Jiadong Yu

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

Large language model (LLM)-based multi-agent systems have emerged as a powerful paradigm for enabling autonomous agents to solve complex tasks. As these systems scale in complexity, cost becomes an important consideration for practical…

Multiagent Systems · Computer Science 2025-11-27 Liming Yang , Junyu Luo , Xuanzhe Liu , Yiling Lou , Zhenpeng Chen

The rapid advancement of large language models (LLMs) has enabled the development of multi-agent systems where multiple LLM-based agents collaborate on complex tasks. However, existing systems often rely on centralized coordination, leading…

Multiagent Systems · Computer Science 2025-06-02 Yingxuan Yang , Huacan Chai , Shuai Shao , Yuanyi Song , Siyuan Qi , Renting Rui , Weinan Zhang

In this paper, we propose a new learning technique named message-dropout to improve the performance for multi-agent deep reinforcement learning under two application scenarios: 1) classical multi-agent reinforcement learning with direct…

Machine Learning · Computer Science 2019-02-19 Woojun Kim , Myungsik Cho , Youngchul Sung

Leveraging multiple large language model (LLM) agents has shown to be a promising approach for tackling complex tasks, while the effective design of multiple agents for a particular application remains an art. It is thus intriguing to…

Computation and Language · Computer Science 2025-03-04 Linxin Song , Jiale Liu , Jieyu Zhang , Shaokun Zhang , Ao Luo , Shijian Wang , Qingyun Wu , Chi Wang

Multi-agent systems (MAS) powered by large language models suffer from severe token inefficiency arising from two compounding sources: (i) unstructured parallel execution, where all agents activate simultaneously irrespective of input…

Artificial Intelligence · Computer Science 2026-04-21 Mohit Dubey

Multi-Agent Systems (MAS) have become a prevalent paradigm for Large Language Model (LLM) applications. However, the complex multi-agent design in MAS introduces unique trustworthiness concerns: adversarial agents can inject misleading…

Cryptography and Security · Computer Science 2026-05-27 Chengcan Wu , Zhixin Zhang , Mingqian Xu , Zeming Wei , Meng Sun

Multi-agent systems (MAS) based on large language models (LLMs) have emerged as a powerful solution for dealing with complex problems across diverse domains. The effectiveness of MAS is critically dependent on its collaboration topology,…

Multiagent Systems · Computer Science 2025-11-20 Shiyuan Li , Yixin Liu , Qingsong Wen , Chengqi Zhang , Shirui Pan

In this paper, we propose to incorporate the blackboard architecture into LLM multi-agent systems (MASs) so that (1) agents with various roles can share all the information and others' messages during the whole problem-solving process, (2)…

Multiagent Systems · Computer Science 2025-07-03 Bochen Han , Songmao Zhang

Multi-agent systems (MAS) built on large language models promise improved problem-solving through collaboration, yet they often fail to consistently outperform strong single-agent baselines due to error propagation at inter-agent message…

Artificial Intelligence · Computer Science 2026-01-21 Bohan Lin , Kuo Yang , Zelin Tan , Yingchuan Lai , Chen Zhang , Guibin Zhang , Xinlei Yu , Miao Yu , Xu Wang , Yudong Zhang , Yang Wang

Optimizing the communication structure of large language model based multi-agent systems (LLM-MAS) has been shown to improve downstream performance and reduce token usage. Existing methods typically rely on randomly sampled training tasks.…

Multiagent Systems · Computer Science 2026-05-11 Huchen Yang , Xinghao Dong , Dan Negrut , Jin-Long Wu

The rise of Agent AI and Large Language Model-powered Multi-Agent Systems (LLM-MAS) has underscored the need for responsible and dependable system operation. Tools like LangChain and Retrieval-Augmented Generation have expanded LLM…

Multiagent Systems · Computer Science 2025-02-05 Jinwei Hu , Yi Dong , Shuang Ao , Zhuoyun Li , Boxuan Wang , Lokesh Singh , Guangliang Cheng , Sarvapali D. Ramchurn , Xiaowei Huang