{"data":{"id":"5f314cf2-6ae9-4a7a-8cd9-2037f5106340","title":"Anthropic rolls out Claude Fable 5, but it's available for a limited time","summary":"Anthropic released Fable 5, a safer version of its powerful Mythos AI model that includes guardrails (safety restrictions) to block harmful requests related to cybersecurity attacks, biology, and chemistry. Because Fable 5 consumes computing resources much faster than other models, Anthropic is offering it free only until June 22 to Pro, Max, and Enterprise subscribers, after which it will switch to usage-based pricing.","solution":"N/A -- no mitigation discussed in source.","labels":["industry"],"sourceUrl":"https://www.bleepingcomputer.com/news/artificial-intelligence/anthropic-rolls-out-claude-fable-5-but-its-available-for-a-limited-time/","publishedAt":"2026-06-10T02:03:31.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":[],"issueType":"news","affectedPackages":null,"affectedVendors":["Anthropic"],"affectedVendorsRaw":["Anthropic","Claude","Fable 5","Claude Mythos","Opus 4.8"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"patchAvailable":null,"disclosureDate":"2026-06-10T02:03:31.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":["availability"],"aiComponentTargeted":"model","llmSpecific":true,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null}}