Anthropic removed model card text for Claude Fable 5 and Claude Mythos 5.

Builders lose documented routing, availability, and channel details for those models from the monitored page.

Deleted text described Fable 5 as generally available and Mythos 5 as limited availability via Project Glasswing.

• Jul 17, 2026Anthropic pricing removed the Claude plan quiz recommending Team or Enterprise self-serve.
• Jul 17, 2026OpenAI pricing page removed Business and Enterprise plan copy.
• Jul 17, 2026Anthropic retired Claude Sonnet 4 and Claude Opus 4, and requests to them now return errors.

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