Anthropic removed model-card guidance for Claude Fable 5, Mythos 5, and current model access.

Teams relying on those identifiers need to recheck model routing, provider availability, and account-team access paths.

The deleted text named claude-fable-5, claude-mythos-5, Project Glasswing, and June 9, 2026 availability.

• Aug 24, 2026OpenAI Models page changed, but the provided diff is truncated.
• Aug 23, 2026OpenAI pricing page removed business pricing copy and GPT-5.6 model rate listings.
• Aug 23, 2026Anthropic removed model-card guidance naming Claude Fable 5 and Claude Mythos 5.

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