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

Builders lose public page evidence for model selection, availability channels, and Project Glasswing access language.

The removed text also said to start with Claude Opus 4.8 for complex agentic coding and enterprise work.

• Aug 25, 2026OpenAI models page removed visible model selection documentation text.
• Aug 25, 2026Anthropic model card removed Claude Fable 5 and Claude Mythos 5 selection guidance
• Aug 24, 2026OpenAI Models page changed, but the provided diff is truncated.

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