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Research questionHow can web agents detect impending failure from trajectory prefixes when internal logits are unavailable?A web agent may make an uncorrected error before its final outcome makes failure obvious. Without internal logits, monitoring must infer whether execution remains on track from noisy, delayed evidence in the observed trajectory.
AI
AI Agents
Alignment & Safety
Evaluation & Benchmarks
Machine Learning
Latest papersRecent research connected to this question, newest first.Monitoring Web Agents Without Internal Signals: Observable Trajectories and Key-Step SupervisionThe evidence covers WebArena-Lite and Online Mind2Web, five open- and closed-source backbones, and observable macro- and micro-trajectory signals obtained through black-box queries. It examines key-step supervision, early intervention under fixed false-cut budgets, and transfer across held-out website categories.research paper · Sep 2, 2026
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