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← Back to all updatesPublished ·Anthropic◆ Critical
Anthropic model card removed Claude Fable 5 and Mythos 5 model overview content.
The read
Builders lose published API and availability references for Fable 5 and Mythos 5 on this page.
The frame
The removed text listed Claude Fable 5 as widely released and Mythos 5 under Project Glasswing.
Primary source
Anthropic modelcard →Keep reading
See what Nova3 builds →Related updates
- Jul 25, 2026Enterprise and Edu users can find skills under Plugins, on the Skills tab in the Plugin Directory.
- Jul 25, 2026Anthropic removed modelcard language for Claude Fable 5 and Claude Mythos 5.
- Jul 25, 2026Anthropic pricing page removed the team-size questionnaire and Team or Enterprise recommendations.
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