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Anthropic Suspends Access to Claude Mythos 5 and Claude Fable 5

AI company halts service to two Claude model variants as critical incident enters monitoring phase.

By The Downtime ยท Jun 24, 2026 ยท 4:36 AM ยท 1 min read

Anthropic has suspended access to Claude Mythos 5 and Claude Fable 5, marking a critical incident for the AI provider. The current status remains under monitoring.

Anthropic develops Claude, an AI assistant used by developers and enterprises for various applications.

The suspension was announced with a link to additional details on Anthropic's news page. No further timeline details have been disclosed as of this report.

This is a developing story. We will continue to monitor Anthropic's status page for updates.

๐Ÿ•’ Live updates (1)

monitoring Jun 13, 12:50 AM

Learn more here: https://anthropic.com/news/fable-mythos-access

๐Ÿ“Ž Sources

Outage details are aggregated from official provider status pages. The Downtime reports them as a public service and is not affiliated with the providers named.