MM-BrowseComp: A Comprehensive Benchmark for Multimodal Browsing Agents

Shilong Li, Xingyuan Bu, Wenjie Wang, Jiaheng Liu, Jun Dong +19 more
8/14/2025
cs.CLcs.AIcs.CV

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Abstract

AI agents with advanced reasoning and tool use capabilities have demonstrated impressive performance in web browsing for deep search. While existing benchmarks such as BrowseComp evaluate these browsing abilities, they primarily focus on textual information, overlooking the prevalence of multimodal content. To bridge this gap, we introduce MM-BrowseComp, a novel benchmark comprising 224 challenging, hand-crafted questions specifically designed to assess agents' multimodal retrieval and reasoning capabilities. These questions often incorporate images in prompts, and crucial information encountered during the search and reasoning process may also be embedded within images or videos on webpages. Consequently, methods relying solely on text prove insufficient for our benchmark. Additionally, we provide a verified checklist for each question, enabling fine-grained analysis of multimodal dependencies and reasoning paths. Our comprehensive evaluation of state-of-the-art models on MM-BrowseComp reveals that even top models like OpenAI o3 with tools achieve only 29.02\% accuracy, highlighting the suboptimal multimodal capabilities and lack of native multimodal reasoning in current models.

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@article{li2025mmbrowsecomp,
  title  = {MM-BrowseComp: A Comprehensive Benchmark for Multimodal Browsing Agents},
  author = {Shilong Li and Xingyuan Bu and Wenjie Wang and Jiaheng Liu and Jun Dong and Haoyang He and Hao Lu and Haozhe Zhang and Chenchen Jing and Zhen Li and Chuanhao Li and Jiayi Tian and Chenchen Zhang and Tianhao Peng and Yancheng He and Jihao Gu and Yuanxing Zhang and Jian Yang and Ge Zhang and Wenhao Huang and Wangchunshu Zhou and Zhaoxiang Zhang and Ruizhe Ding and Shilei Wen},
  year   = {2025},
  eprint = {2508.13186},
  archivePrefix = {arXiv},
  url    = {http://arxiv.org/abs/2508.13186v1}
}

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