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.
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.