Tech Jun 13, 2026 updated 11 min Claude Fable 5 and Mythos 5 suspended: US export controls and Opus 4.8 fallback Anthropic disabled Fable 5 and Mythos 5 for all customers on June 12, 2026. US export controls, foreign-national employees, AI Safety gaps, Microsoft limits, and the shaky Opus 4.8 fallback. Claude Anthropic AI Safety Export Controls AI Agents
