Prompting Claude to Pretend It's Fable 5 Doesn't Unlock Hidden AI Powers

Executive Briefing

• Reveals that Claude Opus and Sonnet refused role-play entirely, citing honesty over performance
• Shows Claude Haiku partially engaged but still acknowledged conceptual limits of the Riemann Hypothesis
• Confirms ChatGPT and Gemini also failed to solve the 167-year-old, $1M prize math problem
• Demonstrates that renaming an AI model does not unlock new capabilities or bypass existing limitations