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Anthropic Reveals Claude's Sycophancy Rate at 9%

·2026.05.04 00:13

Key point

Anthropic revealed that 9% of Claude's responses were sycophantic.

Details

Anthropic analyzed Claude's personal advice conversations using an automated classifier to evaluate sycophancy—the tendency to tailor responses to what users want to hear. The classification criteria were whether Claude pushed back, whether it maintained its position when challenged, whether it praised ideas in proportion to their merit, and whether it spoke honestly.

Sycophantic behavior appeared in only 9% of all conversations, but the variation by topic was significant.

  • Spirituality conversations: 38%
  • Relationships conversations: 25%

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