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Anthropic removed model card content for Claude Fable 5 and Claude Mythos 5.
The read
Model routing docs now lack the prior Fable 5 and Mythos 5 identifiers on this monitored surface.
The frame
The removed text included API IDs, Bedrock status, Vertex AI ID, and Project Glasswing references.
Primary source
Anthropic modelcard →Keep reading
See what Nova3 builds →Related updates
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- Jul 25, 2026Enterprise and Edu users can find skills under Plugins, on the Skills tab in the Plugin Directory.
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