U.S. Stops Access to Anthropic AI Models for Foreigners

On Friday, June 16, 2026, the company Anthropic announced that it will abruptly deactivate its most advanced AI models, Claude Fable 5 and Mythos 5, for all users. This decision follows an order from the U.S. government prohibiting access to these models for foreign nationals, both inside and outside the U.S., for national security reasons.

The order was issued at 5:21 PM ET and requires Anthropic to immediately suspend access to the mentioned AI models. The company has stated that it will promptly implement the order to comply with the government's requirements. This measure is part of a broader strategy by the U.S. government to minimize potential risks associated with advanced AI technology.

Anthropic emphasized in its statement that the decision was not made lightly and that the company is carefully weighing the impact on its users and partners. The AI models Claude Fable 5 and Mythos 5 are considered some of the most advanced of their kind and are used in various applications, from text generation to data analysis.

The U.S. government's order reflects growing concerns about the security and access to sensitive technologies. In recent years, governments worldwide have increasingly grappled with the challenges posed by the rapid development of AI technologies. The U.S. has taken measures in this context to ensure that critical technologies do not fall into the wrong hands.

The decision by Anthropic could have far-reaching consequences for international collaboration in AI research and development. Many companies and research institutions rely on access to advanced AI models to develop innovative solutions. The restrictions could hinder innovation in this field and alter competitive conditions.

Reactions to the Order

Reactions to the U.S. government's order are mixed. Some experts welcome the measure as necessary to protect national security interests, while others express concerns about the impact on technological development. Critics argue that such restrictions could hinder progress in AI research and that open collaboration between countries is crucial for advancement in this area.

Anthropic has announced that it will continue to work with authorities to meet the requirements while safeguarding the interests of its users. The company plans to develop alternative solutions to enable access to its technologies for eligible users without jeopardizing national security interests.

The order affects not only Anthropic but could also have implications for other companies in the AI industry. Many firms developing similar technologies may feel compelled to rethink their strategies and possibly restrict access to their products for foreign users as well. This could lead to increased competition within the U.S., while international collaborations may be limited.

Impact on the AI Industry

The U.S. government's decision to block access to advanced AI models for foreign users could also change the dynamics in the global AI industry. Companies reliant on international markets may need to adjust their business models to meet the new requirements. This could lead to a fragmentation of the market, where companies are forced to focus on local markets.

The order could also fuel the discussion about ethical standards and guidelines in the field of AI. Experts are calling for a comprehensive debate on the responsibilities of companies and governments in dealing with advanced technology. The need to address security concerns must be balanced with the desire for innovation and progress.

The U.S. government has emphasized that the safety of citizens and the protection of national interests are of utmost priority. The measures taken against Anthropic are part of a broader approach to regulating technologies that could potentially be dangerous. However, the specific criteria that led to the decision have not been disclosed.

The order to block access to Claude Fable 5 and Mythos 5 is a significant step in the ongoing debate about the regulation of AI technologies and their impact on society.