Ego2Web: A Web Agent Benchmark Grounded in Egocentric Videos

arXiv cs.CL / 3/25/2026

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Key Points

  • The article introduces Ego2Web, a new multimodal web-agent benchmark that bridges first-person (egocentric) video perception with web task execution, addressing a key limitation of prior web-agent benchmarks that lacked physical-world grounding.
  • Ego2Web pairs real-world egocentric video recordings with online tasks requiring visual understanding, task planning, and web interaction, covering categories such as e-commerce, media retrieval, and knowledge lookup.
  • The dataset is built using an automatic data-generation pipeline supplemented by human verification and refinement to create high-quality, diverse video–task pairs.
  • For evaluation, the authors propose Ego2WebJudge, an LLM-as-a-judge method that matches human judgments with about 84% agreement and outperforms existing evaluation approaches.
  • Experiments with state-of-the-art agents show weak performance with notable room for improvement across task categories, and ablations emphasize the importance of accurate video understanding in these tasks.

Abstract

Multimodal AI agents are increasingly automating complex real-world workflows that involve online web execution. However, current web-agent benchmarks suffer from a critical limitation: they focus entirely on web-based interaction and perception, lacking grounding in the user's real-world physical surroundings. This limitation prevents evaluation in crucial scenarios, such as when an agent must use egocentric visual perception (e.g., via AR glasses) to recognize an object in the user's surroundings and then complete a related task online. To address this gap, we introduce Ego2Web, the first benchmark designed to bridge egocentric video perception and web agent execution. Ego2Web pairs real-world first-person video recordings with web tasks that require visual understanding, web task planning, and interaction in an online environment for successful completion. We utilize an automatic data-generation pipeline combined with human verification and refinement to curate well-constructed, high-quality video-task pairs across diverse web task types, including e-commerce, media retrieval, knowledge lookup, etc. To facilitate accurate and scalable evaluation for our benchmark, we also develop a novel LLM-as-a-Judge automatic evaluation method, Ego2WebJudge, which achieves approximately 84% agreement with human judgment, substantially higher than existing evaluation methods. Experiments with diverse SoTA agents on our Ego2Web show that their performance is weak, with substantial headroom across all task categories. We also conduct a comprehensive ablation study on task design, highlighting the necessity of accurate video understanding in the proposed task and the limitations of current agents. We hope Ego2Web can be a critical new resource for developing truly capable AI assistants that can seamlessly see, understand, and act across the physical and digital worlds.

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