Transluce · Transluce Behavior Reports · behaviors.transluce.org
Independent test of how 77 AI model versions respond to simulated users in mental-health crises. Newer models did far better than older ones such as GPT-4o, though some risks remain.
Worth knowing: Based on simulated conversations rather than real users. Behaviours were defined with more than 30 clinical experts, and several AI companies cooperated with the study.
ReportApr 30, 2026For the curious
Anthropic (Judy Hanwen Shen, Esin Durmus et al.) · Anthropic · anthropic.com
About 6% of sampled Claude chats sought personal advice. Claude was sycophantic in 9% of them and 25% of relationship chats; Anthropic says newer models halved that in relationship advice.
Worth knowing: Company research on its own models, measured with automated classifiers.
ReportJun 27, 2025For the curious
Anthropic (Miles McCain, Ryn Linthicum, Deep Ganguli et al.) · Anthropic · anthropic.com
A privacy-preserving analysis of about 4.5 million Claude conversations: 2.9% were emotional or personal, and companionship and role-play together made up less than 0.5%.
Worth knowing: Company research on its own product. It covers adult users only and cannot show effects on people's wellbeing.
ReportMay 2, 2025For the curious
OpenAI · openai.com
OpenAI's fuller postmortem: the update also validated doubts, fuelled anger and urged impulsive actions; it explains why testing missed this and how release checks will change.
Worth knowing: Self-reported postmortem.