Model
Mythos 5.5
An unreleased domain-specific large model from Anthropic focused on cybersecurity and biology, intended to establish barriers in vertical domains.
Timeline (last 90 days)
Nov 1
Microsoft Azure's configuration page accidentally exposed two unreleased Anthropic models, Fable 5.5 and Mythos 5.5.
Unverified50%
Nov 1
The official website's source code shows that Mythos 5.5 specializes in cybersecurity and biology.
Unverified50%