Anthropic removed Claude Fable 5 and Mythos 5 modelcard guidance.

Critical: builders should recheck model IDs and routing assumptions against the current Anthropic page.

Removed text listed `claude-fable-5`, `claude-mythos-5`, and Opus 4.8 as the starting point for complex tasks.

• Jul 10, 2026OpenAI is deprecating Atlas as browser-based agentic capabilities move into ChatGPT and Codex.
• Jul 10, 2026Google removed Gemini Developer API pricing content from the monitored pricing page.
• Jul 09, 2026OpenAI model card page removed its captured API docs navigation content

This is the world we build in. It moves this fast. We move with it.