Anthropic removed prior modelcard text covering Claude Fable 5, Mythos 5, and Opus 4.8

Treat cached Anthropic model selection and API ID references as stale until the new modelcard is rechecked.

Removed text included model names, API IDs, Bedrock availability, and guidance for complex tasks.

• Jun 27, 2026OpenAI retired GPT-4.5 in ChatGPT, including custom GPTs, with existing conversations continuing on GPT-5.5.
• Jun 27, 2026OpenAI modelcard diff removed API docs navigation content.
• Jun 27, 2026Anthropic removed model-card text covering Claude Fable 5 and Claude Mythos 5.

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