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Related papers: MTRouter: Cost-Aware Multi-Turn LLM Routing with H…

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The rapidly growing number and variety of Large Language Models (LLMs) present significant challenges in efficiently selecting the appropriate LLM for a given query, especially considering the trade-offs between performance and…

Artificial Intelligence · Computer Science 2025-03-18 Tao Feng , Yanzhen Shen , Jiaxuan You

Trajectory planning is a core task in autonomous driving, requiring the prediction of safe and comfortable paths across diverse scenarios. Integrating Multi-modal Large Language Models (MLLMs) with Reinforcement Learning (RL) has shown…

Robotics · Computer Science 2026-02-02 Xidong Li , Mingyu Guo , Chenchao Xu , Bailin Li , Wenjing Zhu , Yangang Zou , Rui Chen , Zehuan Wang

Multi-agent systems (MAS) powered by Large Language Models (LLMs) have been demonstrated to push the boundaries of LLM capabilities, yet they often incur significant costs and face challenges in dynamic LLM selection. Current LLM routing…

Machine Learning · Computer Science 2025-02-18 Yanwei Yue , Guibin Zhang , Boyang Liu , Guancheng Wan , Kun Wang , Dawei Cheng , Yiyan Qi

Retrieval-Augmented Generation (RAG) significantly improves the performance of Large Language Models (LLMs) on knowledge-intensive tasks. However, varying response quality across LLMs under RAG necessitates intelligent routing mechanisms,…

Computation and Language · Computer Science 2025-10-20 Jiarui Zhang , Xiangyu Liu , Yong Hu , Chaoyue Niu , Fan Wu , Guihai Chen

Large Language Models (LLMs) process every token through all layers of a transformer stack, causing wasted computation on simple queries and insufficient flexibility for harder ones that need deeper reasoning. Adaptive-depth methods can…

Computation and Language · Computer Science 2026-05-20 Ahmed Heakl , Martin Gubri , Salman Khan , Sangdoo Yun , Seong Joon Oh

Model routing is a simple technique for reducing the inference cost of large language models (LLMs), wherein one maintains a pool of candidate LLMs, and learns to route each prompt to the smallest feasible LLM. Existing works focus on…

The advent of large language models (LLMs) like GPT-4 has catalyzed the exploration of multi-task learning (MTL), in which a single model demonstrates proficiency across diverse tasks. Task arithmetic has emerged as a cost-effective…

Computation and Language · Computer Science 2024-06-28 Yuyan Zhou , Liang Song , Bingning Wang , Weipeng Chen

The rapid emergence of diverse large language models (LLMs) has spurred the development of LLM routers that assign user queries to the most suitable model. However, existing LLM routers typically perform a single-round, one-to-one mapping…

Computation and Language · Computer Science 2025-10-27 Haozhen Zhang , Tao Feng , Jiaxuan You

Increasing demand for Large Language Models (LLMs) services imposes substantial deployment and computation costs on providers. LLM routing offers a cost-efficient solution by directing queries to the optimal LLM based on model and query…

Databases · Computer Science 2025-12-16 Fangzhou Wu , Sandeep Silwal

With the rapid growth of Large Language Models (LLMs) across various domains, numerous new LLMs have emerged, each possessing domain-specific expertise. This proliferation has highlighted the need for quick, high-quality, and cost-effective…

Artificial Intelligence · Computer Science 2024-10-25 Dimitris Stripelis , Zijian Hu , Jipeng Zhang , Zhaozhuo Xu , Alay Dilipbhai Shah , Han Jin , Yuhang Yao , Salman Avestimehr , Chaoyang He

Large Language Model (LLM)-based systems, i.e. interconnected elements that include an LLM as a central component, such as conversational agents, are usually designed with monolithic, static architectures that rely on a single,…

Artificial Intelligence · Computer Science 2025-07-22 Clovis Varangot-Reille , Christophe Bouvard , Antoine Gourru , Mathieu Ciancone , Marion Schaeffer , François Jacquenet

With the rapid growth in the number of Large Language Models (LLMs), there has been a recent interest in LLM routing, or directing queries to the cheapest LLM that can deliver a suitable response. We conduct a minimax analysis of the…

There is a rapidly growing number of large language models (LLMs) that users can query for a fee. We review the cost associated with querying popular LLM APIs, e.g. GPT-4, ChatGPT, J1-Jumbo, and find that these models have heterogeneous…

Machine Learning · Computer Science 2023-05-10 Lingjiao Chen , Matei Zaharia , James Zou

While recent advances in large language models (LLMs) have significantly enhanced performance across diverse natural language tasks, the high computational and financial costs associated with their deployment remain substantial barriers.…

Computation and Language · Computer Science 2025-04-16 Soham Shah , Kumar Shridhar , Surojit Chatterjee , Souvik Sen

Cost-efficient path planning across multiple terrains is a crucial task in robot navigation, requiring the identification of a path from the start to the goal that not only avoids obstacles but also minimizes the overall travel cost. This…

Robotics · Computer Science 2026-03-11 Ling Xiao , Toshihiko Yamasaki

Large language models (LLMs) are increasingly relied upon for complex multi-turn conversations across diverse real-world applications. However, existing benchmarks predominantly focus on single-turn evaluations, overlooking the models'…

Computation and Language · Computer Science 2024-01-31 Wai-Chung Kwan , Xingshan Zeng , Yuxin Jiang , Yufei Wang , Liangyou Li , Lifeng Shang , Xin Jiang , Qun Liu , Kam-Fai Wong

As AI moves beyond text, large language models (LLMs) increasingly power vision, audio, and document understanding; however, their high inference costs hinder real-time, scalable deployment. Conversely, smaller open-source models offer cost…

Computation and Language · Computer Science 2025-11-11 Mayank Saini , Arit Kumar Bishwas

Large language models (LLMs), based on transformer architectures, have revolutionized numerous domains within artificial intelligence, science, and engineering due to their exceptional scalability and adaptability. However, the exponential…

Hardware Architecture · Computer Science 2025-07-04 Wenzhe Guo , Joyjit Kundu , Uras Tos , Weijiang Kong , Giuliano Sisto , Timon Evenblij , Manu Perumkunnil

As modern artificial intelligence (AI) systems become more advanced and capable, they can leverage a wide range of tools and models to perform complex tasks. The task of orchestrating these models is increasingly performed by Large Language…

Artificial Intelligence · Computer Science 2026-04-20 Daria Smirnova , Hamid Nasiri , Marta Adamska , Zhengxin Yu , Peter Garraghan

Large Language Models (LLMs) have revolutionized natural language processing, but their varying capabilities and costs pose challenges in practical applications. LLM routing addresses this by dynamically selecting the most suitable LLM for…

Machine Learning · Computer Science 2025-09-10 Pranoy Panda , Raghav Magazine , Chaitanya Devaguptapu , Sho Takemori , Vishal Sharma