Leaked “Soul Doc” reveals how Anthropic programs Claude’s character

2025-12-02 06:14 GMT · 7 months ago aimagpro.com

In a lengthy LessWrong post, a user says he managed to extract an internal training document from Claude 4.5 Opus that defines the model’s personality and ethical guidelines. Anthropic has confirmed the material is authentic, and the approach appears to be unique in the industry.
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