A leaked system prompt reveals Claude Fable 5, Anthropic's new most-intelligent model with a ~120,000-character prompt, above Claude Opus, with separate safety measures for dual-use capabilities.
About Anthropic · Claude Fable 5 · Claude Mythos 5 · Claude Opus Filed #ai #ai-safety #security #technology Related The machine never raises its voice LLMs consistently prefer their own machine-generated literary passages over human-authored classics, valuing precision and restraint over voice and strangeness when evaluating literary quality.
also on Claude Opus , #ai 9 theses on AI | Sarthak Munshi AI progress is constrained by long-task reliability, labor reallocation, cost inefficiencies of general APIs, the declining value of raw coding skills, inadequate benchmark testing, the limits of formal verification without strong specs, memory-bound local hardware advantages, the shift from data to environment-driven training, and the rising competitiveness of US open-weight models.
also on Claude Opus , #ai 
🚿 FABLE-5 SYS PROMPT LEAK 🚿
HOWDY, FRENS!! 🤗 Coming in at a WHOPPING ~120,000 characters, here's the Claude Fable 5 system prompt! 😘
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