POLITICS

Washington lifts shutdown on Anthropic Claude models

PUBLISHED Jul 4, 2026, 6:43 AM ET

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The Trump administration has lifted federal restrictions on Anthropic’s flagship Claude Fable 5 and Mythos 5 artificial intelligence models, restoring global access on July 1, 2026, after a 19-day shutdown over national security concerns. The crisis began on June 12, 2026, when Amazon engineers alerted the U.S. Department of Commerce that Claude Fable 5 could be prompted to identify critical software vulnerabilities and generate exploit code. Commerce responded with an export control order affecting foreign nationals, forcing Anthropic into a worldwide suspension. Access was restored after negotiations and the deployment of a new safety classifier developed with major technology partners.

By Sarah Whitman | JQJO News

Timeline of Events

Jun 12, 2026 Amazon engineers flag exploit capability
Mid Jun 2026 Commerce issues emergency export directive
Mid Jun 2026 Anthropic shuts models down globally
Late Jun 2026 Businesses worldwide report workflow disruptions
Late Jun 2026 Anthropic negotiates with federal officials
Late Jun 2026 New safety classifier engineered collaboratively
Jul 1, 2026 Global access to Claude models restored
Early Jul 2026 Export control compliance monitoring continues

News Intelligence

The shutdown of Anthropic's AI models may have disrupted your tech services. Now, they're back online. But, it's a reminder to always have a backup plan. Check if your service providers rely on these models.