OpenAIAnthropicGooglexAIPerplexity
← Back to all updates
Published ·Anthropic◆ Critical

Anthropic removed Claude Fable 5 and Mythos 5 model guidance from the model card

The read

Builders lose official routing, availability, and access details for those Claude 5 model entries on this page

The frame

The removed text named Claude Fable 5 as Anthropic's most capable widely released model and tied Mythos 5 to Project Glasswing.

Primary source
Anthropic modelcard
Keep reading
See what Nova3 builds
Related updates

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

Bring us your project