Amazon Web Services: Fable 5 and Mythos 5 Access (us-east-1)

MinorStatus: resolvedStarted 2026-06-13 01:26 UTCResolved 2026-06-15 18:13 UTC (3 d)2 updateshealth.aws.amazon.com

Timeline of updates

update2026-06-13 01:26 UTC
To support compliance with the US Government export control directive, Anthropic has asked us to revoke access to Claude Fable 5 and Claude Mythos 5 for all users in all regions. All other models, including Opus 4.8, are not affected and you can continue using them in full confidence. Please view the <a href="https://www.anthropic.com/news/fable-mythos-access">Anthropic statement</a> for further details.
resolved2026-06-15 18:13 UTC
Claude Fable 5 and Claude Mythos 5 models remain unavailable for all users in all regions. We are resolving this Health event. For further details please view the <a href="https://www.anthropic.com/news/fable-mythos-access">Anthropic statement</a>.

Impact, status and times are the vendor’s own, as last archived. View on health.aws.amazon.com (opens in new tab).