Anthropic Claude Mythos 5 Access Issue

First reported on 9to5mac on June 27, 2026.

Anthropic's AI model access was temporarily blocked for all customers due to export control issues. However, the company has now reached a deal with the US government to restore access for over 100 US institutions.

What it looks like

  • Anthropic AI model access issue

How to fix it

  1. Check the Anthropic website for updates on AI model access.
  2. Look for announcements on restored access for your institution.
  3. If access is restored, follow the provided instructions to access the AI model.
  4. If access is not restored, consider contacting Anthropic support for assistance.
  5. If you need an alternative, research other available AI models or services.

Affected products

  • Anthropic Claude Mythos 5

Sources

Search terms covered: anthropic claude mythos 5 access issue, ai model access blocked