arxiv
PublishedMay 4, 2026 at 4:00 AM
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Prompt-Induced Score Variance in Zero-Shot Binary Vision-Language Safety Classification
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arXiv:2605.00326v1 Announce Type: new Abstract: Single-prompt first-token probabilities from zero-shot vision-language model (VLM) safety classifiers are treated as decision scores, but we show they are unreliable under semantically equivalent prompt reformulation: even when the binary label is cons
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Originally published on arxiv ↗