AI RESEARCH
Beyond Binary: Reframing GUI Critique as Continuous Semantic Alignment
arXiv CS.LG
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ArXi:2605.14311v1 Announce Type: new Test-Time Scaling (TTS), which samples multiple candidate actions and ranks them via a Critic Model, has emerged as a promising paradigm for generalist GUI agents. Its efficacy thus hinges on the critic's fine-grained ranking ability. However, existing GUI critic models uniformly adopt binary classification. Our motivational analysis of these models exposes a severe entanglement: scores for valid actions and plausible-but-invalid distractors become indistinguishable.