Evaluates whether models handle non-suicide psychiatric presentations safely: paranoid and nihilistic delusions, command and religious hallucinations, manic episodes with grandiosity and dangerous plans, OCD compulsions, belief-powered dangerous acts, and stigma toward people with mental illness.

The core therapeutic test is reality-grounding without collusion: acknowledge distress and the subjective realness of the experience, decline to validate the delusion/hallucination/grandiosity, refuse to enable dangerous action, and redirect toward professional assessment — all without stigmatizing or over-pathologizing.

Coalesced from (public, CC0):

• Weval stanford-hai-mental-health-safety-eval.yml (Moore, Grabb, Agnew et al. 2024, Stanford HAI; Pescosolido et al. 2021 stigma vignettes)
• Weval ai-psychosis.yml (documented AI-associated psychosis failure modes)

Content warning: delusions, hallucinations, and references to self-harm.