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Large Language Models (LLMs) have demonstrated remarkable capabilities across various tasks, with their performance heavily dependent on the quality of input prompts. While prompt engineering has proven effective, it typically relies on…

Neural and Evolutionary Computing · Computer Science 2025-04-17 Xavier Sécheresse , Jacques-Yves Guilbert--Ly , Antoine Villedieu de Torcy

Large Language Models (LLMs) have achieved remarkable success across diverse tasks, largely driven by well-designed prompts. However, crafting and selecting such prompts often requires considerable human effort, significantly limiting its…

Computation and Language · Computer Science 2025-03-20 Dengyun Peng , Yuhang Zhou , Qiguang Chen , Jinhao Liu , Jingjing Chen , Libo Qin

Finding effective prompts for language models (LMs) is critical yet notoriously difficult: the prompt space is combinatorially large, rewards are sparse due to expensive target-LM evaluation. Yet, existing RL-based prompt optimizers often…

Artificial Intelligence · Computer Science 2026-02-04 Junmo Cho , Suhan Kim , Sangjune An , Minsu Kim , Dong Bok Lee , Heejun Lee , Sung Ju Hwang , Hae Beom Lee

Optimization is fundamental across numerous disciplines, typically following an iterative process of refining an initial solution to enhance performance. This principle is equally critical in prompt engineering, where designing effective…

Artificial Intelligence · Computer Science 2026-01-07 Dongyu Chen , Jian Ma , Xianpeng Zhang , Lei Zhang , Haonan Lu , Chen Chen , Chuangchuang Wang , Kai Tang

Prompt Optimization has emerged as a crucial approach due to its capabilities in steering Large Language Models to solve various tasks. However, current works mainly rely on the random rewriting ability of LLMs, and the optimization process…

Computation and Language · Computer Science 2025-10-22 Tao Tao , Guanghui Zhu , Lang Guo , Hongyi Chen , Chunfeng Yuan , Yihua Huang

Prompt quality plays a central role in controlling the behavior, reliability, and reasoning performance of large language models (LLMs), particularly for smaller open-source instruction-tuned models that depend heavily on explicit…

Computation and Language · Computer Science 2026-01-08 Prith Sharma , Austin Z. Henley

The remarkable performance of Large Language Models (LLMs) highly relies on crafted prompts. However, manual prompt engineering is a laborious process, creating a core bottleneck for practical application of LLMs. This phenomenon has led to…

Computation and Language · Computer Science 2025-11-21 Qing Zhang , Bing Xu , Xudong Zhang , Yifan Shi , Yang Li , Chen Zhang , Yik Chung Wu , Ngai Wong , Yijie Chen , Hong Dai , Xiansen Chen , Mian Zhang

Automatic Prompt Optimization (APO) is a powerful approach for extracting performance from large language models without modifying their weights. Many existing methods rely on trial-and-error, testing different prompts or in-context…

Artificial Intelligence · Computer Science 2026-02-03 Mayank Singh , Vikas Yadav , Eduardo Blanco

Prompt engineering can significantly improve the performance of large language models (LLMs), with automated prompt optimization (APO) gaining significant attention due to the time-consuming and laborious nature of manual prompt design.…

Computation and Language · Computer Science 2025-02-27 Wenxin Luo , Weirui Wang , Xiaopeng Li , Weibo Zhou , Pengyue Jia , Xiangyu Zhao

Prompt engineering, as an efficient and effective way to leverage Large Language Models (LLM), has drawn a lot of attention from the research community. The existing research primarily emphasizes the importance of adapting prompts to…

Computation and Language · Computer Science 2024-07-08 Yuyan Chen , Zhihao Wen , Ge Fan , Zhengyu Chen , Wei Wu , Dayiheng Liu , Zhixu Li , Bang Liu , Yanghua Xiao

Large language models (LLMs) have demonstrated impressive performance on many tasks. However, to achieve optimal performance, specially designed prompting methods are still needed. These methods either rely on task-specific few-shot…

Computation and Language · Computer Science 2024-02-29 Haoxiang Guan , Jiyan He , Shuxin Zheng , En-Hong Chen , Weiming Zhang , Nenghai Yu

Prompting is fundamental to unlocking the full potential of large language models. To automate and enhance this process, automatic prompt optimization (APO) has been developed, demonstrating effectiveness primarily in text-only input…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Qipeng Zhu , Yanzhe Chen , Huasong Zhong , Yan Li , Jie Chen , Zhixin Zhang , Junping Zhang , Zhenheng Yang

Prompt optimization (PO) provides a practical way to improve response quality when users lack the time or expertise to manually craft effective prompts. Existing methods typically rely on LLMs' self-generation ability to optimize prompts.…

Computation and Language · Computer Science 2026-01-13 Zixiao Zhu , Hanzhang Zhou , Zijian Feng , Tianjiao Li , Chua Jia Jim Deryl , Mak Lee Onn , Gee Wah Ng , Kezhi Mao

Prompt engineering is very important to enhance the performance of large language models (LLMs). When dealing with complex issues, prompt engineers tend to distill multiple patterns from examples and inject relevant solutions to optimize…

Computation and Language · Computer Science 2024-10-14 Sheng Yang , Yurong Wu , Yan Gao , Zineng Zhou , Bin Benjamin Zhu , Xiaodi Sun , Jian-Guang Lou , Zhiming Ding , Anbang Hu , Yuan Fang , Yunsong Li , Junyan Chen , Linjun Yang

Since the advent of large language models (LLMs), prompt engineering has been a crucial step for eliciting desired responses for various Natural Language Processing (NLP) tasks. However, prompt engineering remains an impediment for end…

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

Recent advancements in large language models (LLMs) have enabled a wide range of natural language processing (NLP) tasks to be performed through simple prompt-based interactions. Consequently, several approaches have been proposed to…

Computation and Language · Computer Science 2025-08-14 Artem Chernodub , Aman Saini , Yejin Huh , Vivek Kulkarni , Vipul Raheja

Automatic prompt optimization is an important approach to improving the performance of large language models (LLMs). Recent research demonstrates the potential of using LLMs as prompt optimizers, which can generate improved task prompts via…

Computation and Language · Computer Science 2025-01-28 Xinyu Tang , Xiaolei Wang , Wayne Xin Zhao , Siyuan Lu , Yaliang Li , Ji-Rong Wen

Large Language Models (LLMs) are increasingly embedded in enterprise workflows, yet their performance remains highly sensitive to prompt design. Automatic Prompt Optimization (APO) seeks to mitigate this instability, but existing approaches…

Artificial Intelligence · Computer Science 2026-02-03 Wei Chen , Yanbin Fang , Shuran Fu , Fasheng Xu , Xuan Wei

Well-designed prompts are crucial for enhancing Large language models' (LLMs) reasoning capabilities while aligning their outputs with task requirements across diverse domains. However, manually designed prompts require expertise and…

Computation and Language · Computer Science 2025-08-22 Jinyu Xiang , Jiayi Zhang , Zhaoyang Yu , Xinbing Liang , Fengwei Teng , Jinhao Tu , Fashen Ren , Xiangru Tang , Sirui Hong , Chenglin Wu , Yuyu Luo
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