Posted inAI News Anthropic Fable 5 Jailbreak: Anthropic Grades the Attack Severity Anthropic ships four-tier cyber classifiers on Claude Fable 5 and launches CJS, a public scale to grade jailbreak severity, co-signed with Amazon, Microsoft and Google.
Posted inAI News Anthropic Claude Fable 5 Officially Returns Worldwide July 1 Claude Fable 5 redeploys worldwide on July 1, 2026. Anthropic opens 50% of Pro and Max volume through July 7 and pushes a shared jailbreak framework.