US Blocks Access To Mythos, Fable AI Models
The United States has moved to restrict foreign access to Anthropic’s advanced AI models, Mythos 5 and Fable 5, citing national security concerns. The move has triggered criticism from AI sovereignty advocates, who argue that access to frontier AI is increasingly becoming a strategic power issue.
US Blocks Mythos And Fable AI Models
Anthropic said it was disabling access to its Mythos 5 and Fable 5 models after receiving a US government directive linked to export controls. The order restricts access for foreign users, including governments, companies and individuals.
The decision marks a major shift in US AI regulation. Until now, Washington’s restrictions had largely focused on advanced chips, semiconductor tools and computing infrastructure. The new move directly targets access to powerful AI models.
AI Sovereignty Debate Intensifies
The restriction has renewed debate over AI sovereignty, with critics warning that countries relying on foreign AI platforms could face sudden access limits. They argue that artificial intelligence is becoming a national capability like defence technology, energy security or semiconductor manufacturing.
For countries such as India, the move raises questions over dependence on foreign AI systems for cybersecurity, research, government services and enterprise tools. It may also accelerate calls for domestic foundation models and local AI infrastructure.
Anthropic Questions Security Concerns
Anthropic has reportedly complied with the directive but disagreed with the government’s assessment. The company said concerns around model misuse were based on limited evidence and did not justify a broad foreign access ban.
The controversy shows how frontier AI is now being treated as a strategic asset. As governments tighten control over powerful models, the debate over who can access advanced AI technology is likely to become sharper.
