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Published ·Anthropic◆ Critical

Anthropic removed model card copy for Claude Fable 5 and Claude Mythos 5.

The read

Treat prior routing guidance, availability notes, and platform listings for these models as unconfirmed from this page.

The frame

The removed copy named Claude Fable 5 as highest capability, Mythos 5 as limited availability, and listed API and cloud availability.

Primary source
Anthropic modelcard
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