https://cognilium.ai/tech-news/claude-fable-5-back-online-what-changed Cognilium AI en 2026-07-02T09:00:00.000Z Claude Fable 5 Is Back Online: What Anthropic Changed, and the Jailbreak-Severity Framework Underneath Claude Fable 5, Anthropic, LLM safety, Frontier models, AI export controls, Jailbreak, AI policy Blog