OpenAIAnthropicGooglexAIPerplexity
← Back to all updates
Published ·Anthropic◆ Critical

Anthropic removed Fable 5 and Mythos 5 guidance from its modelcard page.

The read

Treat prior Fable 5 and Mythos 5 availability details as withdrawn from this monitored surface.

The frame

Removed text included model selection guidance, availability channels, June 9, 2026 timing, and the comparison table.

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