K-Bench: a clinically calibrated benchmark for evaluating large language models in high-risk mental health conversations
People increasingly use large language models (LLMs) for mental health support, yet their safety in evolving, high-risk conversations remains poorly characterised. We developed K-Bench, a clinician-calibrated, protected benchmark evaluating 125 model configurations representing 33 base models from 14 providers across a...
L. Vowels, M. Vowels, Shivali Sharma et al.
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