The Pain Axis

Researchers Valentu, Leonard Dung, and Cameron Berg identified a consistent "pain direction" in the internal activations of 25 open language models spanning five model families and roughly 2 billion t…

Anthropic updated its usage policy on October 8th to prohibit "sustained and needless abusive or cruel behavior" toward its Claude models, effective November 12th, 2026, placing the rule alongside exi…