Anthropic model card now recommends Claude Opus 5 and lists Claude Fable 5/Mythos 5.

Model selection and availability routing changed for Claude API and cloud provider deployments.

Fable 5 is described as the most capable widely released model. Mythos 5 is limited to approved Project Glasswing customers.

• Aug 21, 2026Google Gemini API pricing page removed the prior model and tools index.
• Aug 21, 2026Plus and Pro Site owners can change a ChatGPT-hosted URL without redeploying.
• Aug 21, 2026Anthropic made the computer use tool generally available on Claude API without a beta header.

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