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Related papers: RouteLLM: Learning to Route LLMs with Preference D…

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Recently, preference optimization methods such as DPO have significantly enhanced large language models (LLMs) in wide tasks including dialogue and question-answering. However, current methods fail to account for the varying difficulty…

Computation and Language · Computer Science 2024-12-31 Jingyuan Ma , Rui Li , Zheng Li , Lei Sha , Zhifang Sui

In recent years, large language models (LLMs) have achieved remarkable success in natural language processing (NLP). LLMs require an extreme amount of parameters to attain high performance. As models grow into the trillion-parameter range,…

Computation and Language · Computer Science 2024-09-10 Zhyar Rzgar K Rostam , Sándor Szénási , Gábor Kertész

Having been trained on massive pretraining data, large language models have shown excellent performance on many knowledge-intensive tasks. However, pretraining data tends to contain misleading and even conflicting information, and it is…

Computation and Language · Computer Science 2024-10-08 Jiahuan Li , Yiqing Cao , Shujian Huang , Jiajun Chen

Large language models are increasingly used in decision-making tasks that require them to process information from a variety of sources, including both human experts and other algorithmic agents. How do LLMs weigh the information provided…

Artificial Intelligence · Computer Science 2026-02-26 Jessica Y. Bo , Lillio Mok , Ashton Anderson

Multi-turn, long-horizon tasks are increasingly common for large language models (LLMs), but solving them typically requires many sequential model invocations, accumulating substantial inference costs. Here, we study cost-aware multi-turn…

Computation and Language · Computer Science 2026-04-28 Yiqun Zhang , Hao Li , Zihan Wang , Shi Feng , Xiaocui Yang , Daling Wang , Bo Zhang , Lei Bai , Shuyue Hu

Large language models (LLMs) can perform recommendation tasks by taking prompts written in natural language as input. Compared to traditional methods such as collaborative filtering, LLM-based recommendation offers advantages in handling…

Information Retrieval · Computer Science 2025-07-21 Genki Kusano , Kosuke Akimoto , Kunihiro Takeoka

Large language model (LLM) shows promising performances in a variety of downstream tasks, such as machine translation (MT). However, using LLMs for translation suffers from high computational costs and significant latency. Based on our…

Computation and Language · Computer Science 2025-05-21 Zhanglin Wu , Daimeng Wei , Xiaoyu Chen , Hengchao Shang , Jiaxin Guo , Zongyao Li , Yuanchang Luo , Jinlong Yang , Zhiqiang Rao , Hao Yang

Large reasoning models (LRMs) often consume excessive tokens, inflating computational cost and latency. More broadly, in goal reaching sequential decision problems we often want to reach the goal quickly, and LRM reasoning can be viewed…

Machine Learning · Computer Science 2026-05-27 Alex Ayoub , Kavosh Asadi , Dale Schuurmans , Csaba Szepesvári , Karim Bouyarmane

Reasoning large language models (LLMs) excel in complex tasks, which has drawn significant attention to reinforcement learning (RL) for LLMs. However, existing approaches allocate an equal number of rollouts to all questions during the RL…

Machine Learning · Computer Science 2025-10-21 Mengqi Liao , Xiangyu Xi , Ruinian Chen , Jia Leng , Yangen Hu , Ke Zeng , Shuai Liu , Huaiyu Wan

We introduce Large Language Model-Assisted Preference Prediction (LAPP), a novel framework for robot learning that enables efficient, customizable, and expressive behavior acquisition with minimum human effort. Unlike prior approaches that…

Robotics · Computer Science 2025-04-23 Pingcheng Jian , Xiao Wei , Yanbaihui Liu , Samuel A. Moore , Michael M. Zavlanos , Boyuan Chen

Large language models (LLMs) are increasingly applied to ranking tasks in retrieval and recommendation. Although reasoning prompting can enhance ranking utility, our preliminary exploration reveals that its benefits are inconsistent and…

Information Retrieval · Computer Science 2026-01-27 Huizhong Guo , Tianjun Wei , Dongxia Wang , Yingpeng Du , Ziyan Wang , Jie Zhang , Zhu Sun

Preference alignment in Large Language Models (LLMs) has significantly improved their ability to adhere to human instructions and intentions. However, existing direct alignment algorithms primarily focus on relative preferences and often…

Machine Learning · Computer Science 2025-05-13 Shenao Zhang , Zhihan Liu , Boyi Liu , Yufeng Zhang , Yingxiang Yang , Yongfei Liu , Liyu Chen , Tao Sun , Zhaoran Wang

Large Language Models (LLMs) have achieved remarkable success across diverse natural language tasks, yet the reward models employed for aligning LLMs often encounter challenges of reward hacking, where the approaches predominantly rely on…

Computation and Language · Computer Science 2026-03-06 Biao Liu , Ning Xu , Junming Yang , Hao Xu , Xin Geng

Large language model (LLM) routing aims to exploit the specialized strengths of different LLMs for diverse tasks. However, existing approaches typically focus on selecting LLM architectures while overlooking parameter settings, which are…

Computation and Language · Computer Science 2026-01-12 Zihang Tian , Rui Li , Jingsen Zhang , Xiaohe Bo , Wei Huo , Xu Chen

Recent advancements in the reasoning skills of Large Language Models (LLMs) demonstrate an increase in the ability of LLMs to solve simple planning tasks. However, as long as the driving force behind improved reasoning capability is the…

Artificial Intelligence · Computer Science 2025-02-03 Andrey Borro , Patricia J Riddle , Michael W Barley , Michael J Witbrock

Pretrained large language models (LLMs) can work as high-level robotic planners by reasoning over abstract task descriptions and natural language instructions, etc. However, they have shown a lack of knowledge and effectiveness in planning…

Robotics · Computer Science 2025-09-30 Wanming Yu , Adrian Röfer , Abhinav Valada , Sethu Vijayakumar

Large Language Model (LLM) routing is a pivotal technique for navigating a diverse landscape of LLMs, aiming to select the best-performing LLMs tailored to the domains of user queries, while managing computational resources. However,…

Computation and Language · Computer Science 2025-05-23 Haochen Shi , Tianshi Zheng , Weiqi Wang , Baixuan Xu , Chunyang Li , Chunkit Chan , Tao Fan , Yangqiu Song , Qiang Yang

Large Language Models (LLMs) have demonstrated remarkable capabilities on various tasks, while the further evolvement is limited to the lack of high-quality training data. In addition, traditional training approaches rely too much on…

Computation and Language · Computer Science 2025-02-14 Peidong Wang , Ming Wang , Zhiming Ma , Xiaocui Yang , Shi Feng , Daling Wang , Yifei Zhang , Kaisong Song

Planning in complex environments requires an agent to efficiently query a world model to find a feasible sequence of actions from start to goal. Recent work has shown that Large Language Models (LLMs), with their rich prior knowledge and…

Artificial Intelligence · Computer Science 2024-12-10 Gonzalo Gonzalez-Pumariega , Wayne Chen , Kushal Kedia , Sanjiban Choudhury

Despite their outstanding performance, large language models (LLMs) suffer notorious flaws related to their preference for simple, surface-level textual relations over full semantic complexity of the problem. This proposal investigates a…

Computation and Language · Computer Science 2022-06-20 Michal Štefánik