Alex Getmanearly AI signals

Claude Fable 5.5

Anthropic

ReportedRelease date unknownUpdated

Timeline

Not on the active radar. A release or rename under this name is not confirmed.

A connection is possible; a shared identity is not confirmed.

Related signals: Claude Fable 5.2

evidence link

evidence link

evidence link

  1. · Alex's posts · Alex Getman
    Excerpt
    Claude Mythos 5.5 has been spotted on Anthropic’s official website It’s mentioned four times in the page’s code, and it looks like the release is coming soon, with Fable 5.5 following shortly after.
  2. · Alex's posts · Alex Getman
    Excerpt
    🚨 Fable 5.5 appeared in Azure’s East US 2 model catalog with GenerallyAvailable status https://github.com/BerriAI/litellm/commit/7dd53d6adc6213e84f62f1366ba721d09f4af992

    The source claim was retracted or corrected.

Alex's take

Specifications

Claude Fable 5.5 · Not on the active radar. A release or rename under this name is not confirmed.

Questions

When was Claude Fable 5.5 released?

Release date unknown