`claude-mythos-preview` shutdown date & replacement

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Status: Deprecated
Shutdown date: —
As written by provider: To be announced
Deprecation announced: Jun 9, 2026
Recommended replacement: None listed by provider
Type: text
Price change: Not published by provider
Source: https://platform.claude.com/docs/en/about-claude/model-deprecations
Last checked: 2026-10-16