when did fable get shut down anthropic

Anthropic shut down access to Fable 5 on June 12, 2026 after a U.S. government export-control directive required it to suspend access globally for compliance. Access was later restored on July 1, 2026 after the restriction was lifted.

What happened

Anthropic said it received the directive at 5:21 p.m. ET on June 12, 2026 and immediately disabled Fable 5 and Mythos 5 for all users worldwide.

Why it was shut down

Reporting says the shutdown was tied to national-security concerns and a reported jailbreak issue involving the model. Anthropic disputed the characterization of the risk, but it still complied with the order.

Timeline

• June 12, 2026: Shutdown begins.

• June 30, 2026: The government lifts the restriction.
• July 1–2, 2026: Access starts coming back online.

TL;DR

Fable 5 was shut down on June 12, 2026, and brought back starting July 1, 2026.