Service Interruption: Access Suspended for Claude Mythos 5 and Claude Fable 5
Anthropic has officially suspended access to the Claude Mythos 5 and Claude Fable 5 models, as reported via their status dashboard.
Incident Overview
According to a status update published on June 13, 2026, access to two specific model iterations—Claude Mythos 5 and Claude Fable 5—has been suspended. This action indicates a targeted service interruption affecting these particular model versions rather than a general outage of the entire Claude ecosystem.
Technical Implications
While the suspension is confirmed, the specific technical triggers for this action have not been disclosed. In production environments, such suspensions typically occur due to critical stability issues, unexpected model drift, or the necessity for emergency patching to maintain safety and alignment standards.
Current Status
Users attempting to interface with the Mythos 5 and Fable 5 endpoints will likely encounter service unavailability or redirection to alternative model versions until the incident is resolved.
Note: Due to the lack of a detailed description in the source report, the specific cause of the suspension and the estimated time to recovery (ETR) are currently unknown.