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

Any agent using those modelcard IDs should verify current docs before routing Anthropic work.

The deletion includes Claude API IDs, Bedrock IDs, Vertex AI IDs, and limited availability notes.

• Jul 18, 2026Anthropic model card shows no readable text change in this diff.
• Jul 18, 2026Anthropic pricing page removed the Claude plan recommendation questionnaire content.
• Jul 18, 2026ChatGPT scheduled tasks gained a sidebar page for viewing, managing, and editing active tasks.

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