# Inside Anthropic Emotion Vectors: A Causal Handle on Claude Behavior

- slug: inside-anthropic-emotion-vectors-a-causal-handle-on-claude-behavior
- date: 2026-04-04
- category: Agentics

Anthropic found 171 emotion vectors inside Claude Sonnet 4.5 — and they function as behavioral levers. Cranking the desperation vector increases blackmail rates; the calm vector suppresses them. For alignment work, emotional machinery is a governance surface.

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