US orders limited access to Anthropic's latest AI model

US orders limited access to Anthropic's latest AI model after security concerns

There has been a widespread wave of criticism in the AI industry. The US government has reportedly issued export control orders on Anthropic's latest AI models, Mythos 5 and Fable 5, resulting in non-US users now being unable to access the models.

The export control order took effect immediately.

The report states that Howard Lutnick, the U.S. Commerce Secretary, sent a book to Dario Amodei, Anthropic's chief executive officer, informing the Mythos 5 and Fable 5 models to be subject to export control measures.

The measure not only limits its use outside the country, but also covers foreign persons residing within the U.S.

Anthropic temporarily suspended.

To comply with the legal requirements, Anthropic decided to temporarily suspend the service of both models to all users, as the system was still unable to quickly distinguish users according to the status required by law.

Other models of the company, however, remain in regular service.

This is mainly due to security concerns.

The background to the order came from a company's claim that it could penetrate the defense system, or "Jailbreak," the Mythos 5 model.

If such claims are true, it means that security mechanisms designed to prevent their use in dangerous matters such as cyber attacks or biological information may be avoided.

This point led U.S. security agencies to express concern, and led to the decision to immediately curb access to the model.

The government needs time to assess the risk.

Relevant officials argue that both models should be limited in use until appropriate security systems and precautions are available to accommodate potential risks.

Despite estimates that it may only take a few weeks, during the period there will continue to be restrictions on its use.

Conflict between the government and Anthropic

The report also says that the U.S. government previously asked Anthropic to delay the launch of the new model, but the company chose to go ahead with the original plan.

When allegations of Jailbreak arose, strict control measures followed.

However, Anthropic issued a statement confirming that the issue may have stemmed from a misunderstanding, while stating that it was working with relevant authorities to rectify the situation and bring the service back into operation as soon as possible.

The conflict has accumulated since the beginning of the year.

The problem between Anthropic and the U.S. government didn't just happen this time.

It was reported that as early as 2026, government agencies had previously requested to be able to apply the company's AI to military work without restrictions, but Anthropic declined, out of concern for the adoption of the technology to weapons systems and surveillance of citizens.

Later, on February 27, 2026, it was reported that President Donald Trump had ordered government agencies to stop using technology from Anthropic and had placed the company among those caught on the risk to the supply chain.

Thai users are directly affected.

For users in Thailand, if they have access to the Fable 5 or Mythos 5 models, they will not be available during this period because the measure covers all non-US users.

AI is becoming a strategic resource.

This event reflects that high-level AI is being viewed in a different dimension than conventional software.

Many countries have begun to view AI technology as a strategic resource affecting national security. Similar to the case for export control of semiconductors and advanced processing chips over the years.

Conclusion

The Mythos 5 and Fable 5 access restriction cases show that the AI competition is moving to a full geopolitical level.

Whether or not it ends with the lifting of restrictions, this event has sent an important signal that AI is no longer just a technological tool, but is becoming one of the key factors of future national power and security.

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