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We study what actually works and what doesn't for training large language models as agents via multi-turn reinforcement learning. Despite rapid progress, existing frameworks and definitions are fragmented, and there is no systematic…

Machine Learning · Computer Science 2025-12-09 Ruiyi Wang , Prithviraj Ammanabrolu

Multimodal reasoning has emerged as a powerful framework for enhancing reasoning capabilities of reasoning models. While multi-turn table reasoning methods have improved reasoning accuracy through tool use and reward modeling, they rely on…

Artificial Intelligence · Computer Science 2026-04-07 Tung Sum Thomas Kwok , Xinyu Wang , Xiaofeng Lin , Peng Lu , Chunhe Wang , Changlun Li , Hanwei Wu , Nan Tang , Elisa Kreiss , Guang Cheng

Large Language Model(LLM)-based agents have shown strong capabilities in web information seeking, with reinforcement learning (RL) becoming a key optimization paradigm. However, planning remains a bottleneck, as existing methods struggle…

Computation and Language · Computer Science 2026-01-08 Xinmiao Yu , Liwen Zhang , Xiaocheng Feng , Yong Jiang , Bing Qin , Pengjun Xie , Jingren Zhou

While current Multimodal Large Language Models (MLLMs) have demonstrated proficiency in reasoning tasks such as mathematics and logic, their capacity for long-chain reflective reasoning, a prerequisite for solving complex real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Xiangyu Zhao , Junming Lin , Tianhao Liang , Yifan Zhou , Wenhao Chai , Yuzhe Gu , Weiyun Wang , Kai Chen , Gen Luo , Wenwei Zhang , Junchi Yan , Hua Yang , Haodong Duan , Xue Yang

Augmented Language Models (ALMs) blend the reasoning capabilities of Large Language Models (LLMs) with tools that allow for knowledge retrieval and action execution. Existing ALM systems trigger LLM thought processes while pulling…

Computation and Language · Computer Science 2023-05-31 Binfeng Xu , Zhiyuan Peng , Bowen Lei , Subhabrata Mukherjee , Yuchen Liu , Dongkuan Xu

What does it mean to plan? Current agentic systems, whether scaffolded workflows or end-to-end policies, rely on reactive decision-making: selecting the next action via a fixed procedure with at most undifferentiated adaptive computation…

Artificial Intelligence · Computer Science 2026-05-22 Mingkai Deng , Jinyu Hou , Zhiting Hu , Eric Xing

This survey paper examines the recent advancements in AI agent implementations, with a focus on their ability to achieve complex goals that require enhanced reasoning, planning, and tool execution capabilities. The primary objectives of…

Artificial Intelligence · Computer Science 2024-04-18 Tula Masterman , Sandi Besen , Mason Sawtell , Alex Chao

Reasoning has emerged as a pivotal capability in Large Language Models (LLMs). Through Reinforcement Learning (RL), typically Group Relative Policy Optimization (GRPO), these models are able to solve complex tasks such as mathematics and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Xinyu Tian , Shu Zou , Zhaoyuan Yang , Mengqi He , Fabian Waschkowski , Lukas Wesemann , Peter Tu , Jing Zhang

Advancing complex reasoning in large language models relies on high-quality, verifiable datasets, yet human annotation remains cost-prohibitive and difficult to scale. Current synthesis paradigms often face a recurring trade-off:…

Artificial Intelligence · Computer Science 2026-02-04 Zhengbo Jiao , Shaobo Wang , Zifan Zhang , Xuan Ren , Wei Wang , Bing Zhao , Hu Wei , Linfeng Zhang

Multimodal Large Language Models (MLLMs) are powerful at integrating diverse data, but they often struggle with complex reasoning. While Reinforcement learning (RL) can boost reasoning in LLMs, applying it to MLLMs is tricky. Common issues…

Machine Learning · Computer Science 2025-06-30 Minjie Hong , Zirun Guo , Yan Xia , Zehan Wang , Ziang Zhang , Tao Jin , Zhou Zhao

Large language models hold promise as scientific assistants, yet existing agents either rely solely on algorithm evolution or on deep research in isolation, both of which face critical limitations. Pure algorithm evolution, as in…

Artificial Intelligence · Computer Science 2025-10-08 Gang Liu , Yihan Zhu , Jie Chen , Meng Jiang

Failure attribution in multi-agent systems -- pinpointing the exact step where a decisive error occurs -- is a critical yet unsolved challenge. Current methods treat this as a pattern recognition task over long conversation logs, leading to…

Artificial Intelligence · Computer Science 2025-09-24 Alva West , Yixuan Weng , Minjun Zhu , Zhen Lin , Zhiyuan Ning , Yue Zhang

Direct prompt-based editing often fails on complex transformations because vague and subjective prompts often require nuanced understanding of what should be changed in the image. Our core intuition is that leveraging compositional image…

Machine Learning · Computer Science 2026-03-10 Subhojyoti Mukherjee , Stefano Petrangeli , Branislav Kveton , Trung Bui , Franck Dernoncourt , Arko Mukherjee

Enhancing LLMs with the ability to actively search external knowledge is crucial for complex and real-world tasks. Current approaches either rely on prompting to elicit the model's innate agent capabilities, or suffer from performance…

Computation and Language · Computer Science 2026-03-20 Chenyang Gu , Yewen Pu , Bruce Yang , Xiaofan Li , Huan Gao

We introduce ApolloRL, an open platform for research in reinforcement learning for autonomous driving. The platform provides a complete closed-loop pipeline with training, simulation, and evaluation components. It comes with 300 hours of…

Robotics · Computer Science 2022-02-01 Fei Gao , Peng Geng , Jiaqi Guo , Yuan Liu , Dingfeng Guo , Yabo Su , Jie Zhou , Xiao Wei , Jin Li , Xu Liu

Agentic workflows, where multiple AI agents collaborate to accomplish complex tasks like reasoning or planning, play a substantial role in many cutting-edge commercial applications, and continue to fascinate researchers across fields for…

Computation and Language · Computer Science 2025-11-10 Deepak Pandita , Tharindu Cyril Weerasooriya , Ankit Parag Shah , Isabelle Diana May-Xin Ng , Christopher M. Homan , Wei Wei

Multi-agent systems built from prompted large language models can improve multi-round reasoning, yet most existing pipelines rely on fixed, trajectory-wide communication patterns that are poorly matched to the stage-dependent needs of…

Artificial Intelligence · Computer Science 2026-02-06 Yuxing Lu , Yucheng Hu , Xukai Zhao , Jiuxin Cao

Time series reasoning treats time as a first-class axis and incorporates intermediate evidence directly into the answer. This survey defines the problem and organizes the literature by reasoning topology with three families: direct…

Artificial Intelligence · Computer Science 2025-11-04 Ching Chang , Yidan Shi , Defu Cao , Wei Yang , Jeehyun Hwang , Haixin Wang , Jiacheng Pang , Wei Wang , Yan Liu , Wen-Chih Peng , Tien-Fu Chen

This paper presents AlphaOne ($\alpha$1), a universal framework for modulating reasoning progress in large reasoning models (LRMs) at test time. $\alpha$1 first introduces $\alpha$ moment, which represents the scaled thinking phase with a…

Computation and Language · Computer Science 2025-06-02 Junyu Zhang , Runpei Dong , Han Wang , Xuying Ning , Haoran Geng , Peihao Li , Xialin He , Yutong Bai , Jitendra Malik , Saurabh Gupta , Huan Zhang

While Reinforcement Learning (RL) shows promise in training tool-use Large Language Models (LLMs) using verifiable outcome rewards, existing methods largely overlook the potential of reasoning rewards based on chain-of-thought quality for…

Computation and Language · Computer Science 2026-01-16 Zihan Lin , Xiaohan Wang , Hexiong Yang , Jiajun Chai , Jie Cao , Guojun Yin , Wei Lin , Ran He