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A Survey of LLM-based Deep Search Agents: Paradigm, Optimization, Evaluation, and Challenges
Created by
Haebom
Author
Yunjia Xi, Jianghao Lin, Yongzhao Xiao, Zheli Zhou, Rong Shan, Te Gao, Jiachen Zhu, Weiwen Liu, Yong Yu, Weinan Zhang
Outline
This paper presents the first systematic analysis of search agents based on large-scale language models (LLMs). The advent of LLMs revolutionized web search, and LLM-based search agents represent a significant shift toward deeper, more dynamic, and autonomous information exploration. These agents understand user intent and environmental context, execute multi-pass searches through dynamic planning, and go far beyond web search capabilities. Leading examples, such as OpenAI's Deep Research, demonstrate the potential of deep information mining and its practical applications. This paper comprehensively analyzes and categorizes existing research from the perspectives of architecture, optimization, application, and evaluation, identifying important open challenges and suggesting promising future directions for research in this rapidly evolving field. The GitHub repository ( https://github.com/YunjiaXi/Awesome-Search-Agent-Papers) is also available.
Takeaways, Limitations
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Takeaways:
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We present the first systematic analysis of the architecture, optimization, application, and evaluation of LLM-based search agents.
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Presenting the potential and practical applications of LLM-based search agents.
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Contribute to the development of the field by suggesting future research directions.
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Improve research accessibility by providing a GitHub repository that organizes related research papers.
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Limitations:
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The types and scope of LLM-based search agents covered in this paper may be limited.
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Due to the rapidly changing nature of this field, new research results may emerge after the publication of a paper.
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A more in-depth discussion of evaluation methodology may be needed.