Anthropic removed modelcard text covering Claude Fable 5 and Claude Mythos 5.

Treat cached model IDs, availability notes, and routing guidance from this page as stale until rechecked.

The removed text included model selection guidance, platform availability, Project Glasswing access notes, and current model comparison content.

• Aug 11, 2026ChatGPT can now show restaurant reservation times from OpenTable, Resy, and Yelp.
• Aug 11, 2026Claude Opus 5 launched with 1M context, 128k max output, and thinking on by default.
• Aug 11, 2026Anthropic pricing removed the Claude plan recommendation quiz and plan result copy

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