Season 2 · Episode 1819
Claude's 55-Day Personality Transplant
Anthropic leaked 55 days of system prompt updates. See exactly how they rewired Claude's personality, safety rules, and self-awareness.
My Weird Prompts · Daniel Rosehill
March 31, 202620m 18s
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Show Notes
We analyzed the rare system prompt diff between Claude Opus 4.5 versions from November to January. This episode uncovers the hidden changes that reveal how AI personalities are actively engineered—from crisis intervention protocols to banning the word "genuinely." Learn why Anthropic is teaching its AI epistemic humility and how they patch safety holes in real-time.