US Government Blocks Access to Anthropic Fable 5 and Mythos 5 Over Security Concerns

AI 안전 | Sun Jun 14 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8 sources

Anthropic completely blocked global access to its Fable 5 and Mythos 5 models following a US government directive citing national security and jailbreak risks.

Sources

• [1] Statement on the US government directive to suspend access to Fable 5 and Mythos 5 - Anthropic News
• [2] Claude Fable 5 and Claude Mythos 5 - Anthropic News
• [3] Amazon security research reportedly led to the White House’s Anthropic Fable ban - The Verge AI
• [4] Anthropic cuts off Fable 5 and Mythos 5 access following government order - The Verge AI
• [5] Amazon CEO reportedly raised Anthropic model concerns before government crackdown - TechCrunch AI
• [6] Anthropic’s safety warnings may have just backfired — the government has pulled the plug on its most powerful AI - TechCrunch AI
• [7] Amazon CEO's talks with U.S. officials triggered crackdown on Anthropic models - Hacker News
• [8] Anthropic Says It’s Taking Claude Fable 5 Offline to Comply With US Government Order - Wired AI