Explorer: Scaling Exploration-driven Web Trajectory Synthesis for Multimodal Web Agents

Fuente: arXiv
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Auteurs principaux: Pahuja, Vardaan, Lu, Yadong, Rosset, Corby, Gou, Boyu, Mitra, Arindam, Whitehead, Spencer, Su, Yu, Awadallah, Ahmed
Format: Preprint
Publié: 2025
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author Pahuja, Vardaan
Lu, Yadong
Rosset, Corby
Gou, Boyu
Mitra, Arindam
Whitehead, Spencer
Su, Yu
Awadallah, Ahmed
author_facet Pahuja, Vardaan
Lu, Yadong
Rosset, Corby
Gou, Boyu
Mitra, Arindam
Whitehead, Spencer
Su, Yu
Awadallah, Ahmed
contents Recent success in large multimodal models (LMMs) has sparked promising applications of agents capable of autonomously completing complex web tasks. While open-source LMM agents have made significant advances in offline evaluation benchmarks, their performance still falls substantially short of human-level capabilities in more realistic online settings. A key bottleneck is the lack of diverse and large-scale trajectory-level datasets across various domains, which are expensive to collect. In this paper, we address this challenge by developing a scalable recipe to synthesize the largest and most diverse trajectory-level dataset to date, containing over 94K successful multimodal web trajectories, spanning 49K unique URLs, 720K screenshots, and 33M web elements. In particular, we leverage extensive web exploration and refinement to obtain diverse task intents. The average cost is 28 cents per successful trajectory, making it affordable to a wide range of users in the community. Leveraging this dataset, we train Explorer, a multimodal web agent, and demonstrate strong performance on both offline and online web agent benchmarks such as Mind2Web-Live, Multimodal-Mind2Web, and MiniWob++. Additionally, our experiments highlight data scaling as a key driver for improving web agent capabilities. We hope this study makes state-of-the-art LMM-based agent research at a larger scale more accessible.
format Preprint
id arxiv_https___arxiv_org_abs_2502_11357
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Explorer: Scaling Exploration-driven Web Trajectory Synthesis for Multimodal Web Agents
Pahuja, Vardaan
Lu, Yadong
Rosset, Corby
Gou, Boyu
Mitra, Arindam
Whitehead, Spencer
Su, Yu
Awadallah, Ahmed
Artificial Intelligence
Human-Computer Interaction
Recent success in large multimodal models (LMMs) has sparked promising applications of agents capable of autonomously completing complex web tasks. While open-source LMM agents have made significant advances in offline evaluation benchmarks, their performance still falls substantially short of human-level capabilities in more realistic online settings. A key bottleneck is the lack of diverse and large-scale trajectory-level datasets across various domains, which are expensive to collect. In this paper, we address this challenge by developing a scalable recipe to synthesize the largest and most diverse trajectory-level dataset to date, containing over 94K successful multimodal web trajectories, spanning 49K unique URLs, 720K screenshots, and 33M web elements. In particular, we leverage extensive web exploration and refinement to obtain diverse task intents. The average cost is 28 cents per successful trajectory, making it affordable to a wide range of users in the community. Leveraging this dataset, we train Explorer, a multimodal web agent, and demonstrate strong performance on both offline and online web agent benchmarks such as Mind2Web-Live, Multimodal-Mind2Web, and MiniWob++. Additionally, our experiments highlight data scaling as a key driver for improving web agent capabilities. We hope this study makes state-of-the-art LMM-based agent research at a larger scale more accessible.
title Explorer: Scaling Exploration-driven Web Trajectory Synthesis for Multimodal Web Agents
topic Artificial Intelligence
Human-Computer Interaction
url https://arxiv.org/abs/2502.11357