Density ridge scoring on 6D kinematic features from hidden states yields 5-20 point AUROC gains over Semantic Entropy and log-probability baselines for hallucination detection under a 200-query calibration protocol across six QA benchmarks and eight models.
MANATEE: inference-time lightweight diffusion based safety defense for LLMs,
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Density Ridge Selective Prediction for LLM and VLM Hallucination Detection under Calibration Label Scarcity
Density ridge scoring on 6D kinematic features from hidden states yields 5-20 point AUROC gains over Semantic Entropy and log-probability baselines for hallucination detection under a 200-query calibration protocol across six QA benchmarks and eight models.