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Related papers: Multi-Agent Tool-Integrated Policy Optimization

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Prompt optimization has become a practical way to improve the performance of Large Language Models (LLMs) without retraining. However, most existing frameworks treat evaluation as a black box, relying solely on outcome scores without…

Multiagent Systems · Computer Science 2026-04-01 Wonduk Seo , Juhyeon Lee , Junseo Koh , Wonseok Choi , Hyunjin An , Jian Park , Seunghyun lee , Haihua Chen , Yi Bu

Scheduling problems pose significant challenges in resource, industry, and operational management. This paper addresses the Unrelated Parallel Machine Scheduling Problem (UPMS) with setup times and resources using a Multi-Agent…

Artificial Intelligence · Computer Science 2024-11-13 Maria Zampella , Urtzi Otamendi , Xabier Belaunzaran , Arkaitz Artetxe , Igor G. Olaizola , Giuseppe Longo , Basilio Sierra

Recent advancements in Reinforcement Learning (RL), particularly Group Relative Policy Optimization (GRPO), have significantly enhanced the reasoning capabilities of Large Language Models. However, applying these problem-centric…

Computation and Language · Computer Science 2026-05-26 Yihong Tang , Kehai Chen , Liang Yue , Benyou Wang , Min Zhang

Ensembling large language models (LLMs) can effectively combine diverse strengths of different models, offering a promising approach to enhance performance across various tasks. However, existing methods typically rely on fixed weighting…

Machine Learning · Computer Science 2025-06-03 Yuqian Fu , Yuanheng Zhu , Jiajun Chai , Guojun Yin , Wei Lin , Qichao Zhang , Dongbin Zhao

Recent research on Reasoning of Large Language Models (LLMs) has sought to further enhance their performance by integrating meta-thinking -- enabling models to monitor, evaluate, and control their reasoning processes for more adaptive and…

Artificial Intelligence · Computer Science 2025-05-28 Ziyu Wan , Yunxiang Li , Xiaoyu Wen , Yan Song , Hanjing Wang , Linyi Yang , Mark Schmidt , Jun Wang , Weinan Zhang , Shuyue Hu , Ying Wen

Hyperparameter optimization is critical in modern machine learning, requiring expert knowledge, numerous trials, and high computational and human resources. Despite the advancements in Automated Machine Learning (AutoML), challenges in…

Machine Learning · Computer Science 2025-02-27 Siyi Liu , Chen Gao , Yong Li

This paper investigates Reinforcement Learning (RL) approaches to enhance the reasoning capabilities of Large Language Model (LLM) agents in long-horizon, multi-turn scenarios. Although RL algorithms such as Group Relative Policy…

The advancement of large language models (LLMs) has enabled the construction of multi-agent systems to solve complex tasks by dividing responsibilities among specialized agents, such as a planning agent for subgoal generation and a…

Computation and Language · Computer Science 2025-09-12 Minghang Zhu , Zhengliang Shi , Zhiwei Xu , Shiguang Wu , Lingjie Wang , Pengjie Ren , Zhaochun Ren , Zhumin Chen

Reinforcement learning algorithms require a large amount of samples; this often limits their real-world applications on even simple tasks. Such a challenge is more outstanding in multi-agent tasks, as each step of operation is more costly…

Machine Learning · Computer Science 2022-09-05 Yali Du , Chengdong Ma , Yuchen Liu , Runji Lin , Hao Dong , Jun Wang , Yaodong Yang

We extend trust region policy optimization (TRPO) to multi-agent reinforcement learning (MARL) problems. We show that the policy update of TRPO can be transformed into a distributed consensus optimization problem for multi-agent cases. By…

Artificial Intelligence · Computer Science 2023-08-08 Hepeng Li , Haibo He

Large language models (LLMs) demonstrate strong potential as agents for tool invocation due to their advanced comprehension and planning capabilities. Users increasingly rely on LLM-based agents to solve complex missions through iterative…

Artificial Intelligence · Computer Science 2025-04-17 Peijie Yu , Yifan Yang , Jinjian Li , Zelong Zhang , Haorui Wang , Xiao Feng , Feng Zhang

Reinforcement learning (RL) has re-emerged as a natural approach for training interactive LLM agents in real-world environments. However, directly applying the widely used Group Relative Policy Optimization (GRPO) algorithm to multi-turn…

Machine Learning · Computer Science 2026-01-27 Junbo Li , Peng Zhou , Rui Meng , Meet P. Vadera , Lihong Li , Yang Li

A broad use case of large language models (LLMs) is in goal-directed decision-making tasks (or "agent" tasks), where an LLM needs to not just generate completions for a given prompt, but rather make intelligent decisions over a multi-turn…

Machine Learning · Computer Science 2024-03-01 Yifei Zhou , Andrea Zanette , Jiayi Pan , Sergey Levine , Aviral Kumar

Large Language Models (LLMs) are increasingly being explored for building Agents capable of active environmental interaction (e.g., via tool use) to solve complex problems. Reinforcement Learning (RL) is considered a key technology with…

Computation and Language · Computer Science 2025-11-19 Mingyue Cheng , Jie Ouyang , Shuo Yu , Ruiran Yan , Yucong Luo , Zirui Liu , Daoyu Wang , Qi Liu , Enhong Chen

Agentic Reinforcement Learning (Agentic RL) has shown remarkable potential in large language model-based (LLM) agents. These works can empower LLM agents to tackle complex tasks via multi-step, tool-integrated reasoning. However, an…

Artificial Intelligence · Computer Science 2026-03-04 Siwei Zhang , Yun Xiong , Xi Chen , Zi'an Jia , Renhong Huang , Jiarong Xu , Jiawei Zhang

This work considers the problem of learning cooperative policies in multi-agent settings with partially observable and non-stationary environments without a communication channel. We focus on improving information sharing between agents and…

Machine Learning · Computer Science 2021-09-03 Eshagh Kargar , Ville Kyrki

Recent advances in multi-agent systems highlight the potential of specialized small agents that collaborate via division of labor. Existing tool-integrated reasoning systems, however, often follow a single-agent paradigm in which one large…

Artificial Intelligence · Computer Science 2025-10-14 Dayu Wang , Jiaye Yang , Weikang Li , Jiahui Liang , Yang Li

Agentic AI enables LLM to dynamically reason, plan, and interact with tools to solve complex tasks. However, agentic workflows often require many iterative reasoning steps and tool invocations, leading to significant operational expense,…

Artificial Intelligence · Computer Science 2026-02-03 Sami Abuzakuk , Anne-Marie Kermarrec , Rishi Sharma , Rasmus Moorits Veski , Martijn de Vos

In this work, we address the cooperation problem among large language model (LLM) based embodied agents, where agents must cooperate to achieve a common goal. Previous methods often execute actions extemporaneously and incoherently, without…

Artificial Intelligence · Computer Science 2025-03-04 Jie Liu , Pan Zhou , Yingjun Du , Ah-Hwee Tan , Cees G. M. Snoek , Jan-Jakob Sonke , Efstratios Gavves

Training multiple agents to coordinate is an essential problem with applications in robotics, game theory, economics, and social sciences. However, most existing Multi-Agent Reinforcement Learning (MARL) methods are online and thus…

Machine Learning · Computer Science 2024-01-19 Paul Barde , Jakob Foerster , Derek Nowrouzezahrai , Amy Zhang