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Published ·Anthropic◆ Critical

Anthropic model card no longer lists Claude Fable 5 and Claude Mythos 5.

The read

Operators lose an official reference for model selection, availability, channels, and Project Glasswing access language.

The frame

The removed text stated Fable 5 was generally available June 9, 2026, while Mythos 5 was limited availability through Project Glasswing.

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Anthropic modelcard
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