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Published Jun 22, 2026·Anthropic◆ Critical

Anthropic removed model overview text covering Claude Fable 5 and Claude Mythos 5

The read

Do not treat the removed modelcard entries as current documentation for routing or connector setup.

The frame

Deleted text described Fable 5 as widely released and Mythos 5 as Project Glasswing availability.

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Related updates

Jun 22, 2026Anthropic removed model overview text for Claude Fable 5 and Mythos 5.
Jun 22, 2026Anthropic pricing removed its five-question Claude plan recommendation flow.
Jun 22, 2026OpenAI modelcard removed the prior API docs navigation content.

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