一作ACL 2026Poster· Natural Language Processing
Why Do LLM -based Web Agents Fail? A Hierarchical Planning Perspective
Mohamed Aghzal · Gregory J. Stein · Ziyu Yao
摘要
Large language model (LLM) web agents are increasingly used for web navigation but remain far from human reliability on realistic, long-horizon tasks. Existing evaluations focus primarily on end-to-end success, offering limited insight into where failures arise. We propose a hierarchical planning...