OpenAIAnthropicGooglexAIPerplexity
← Back to all updates
Published ·Anthropic◆ Critical

Anthropic removed model card guidance naming Claude Fable 5 and Mythos 5.

The read

Builders lose public model-selection details, availability notes, and comparison context from this monitored page.

The frame

The removed text described Fable 5 availability and Mythos 5 limited access through 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