
Claude Fable 5.1 and Mythos 5.1: One Model, Two Access Levels
Claude Fable 5.1 and Mythos 5.1 are the same underlying model with different safeguards and access rules. The release says as much about the...

Claude Fable 5.1 and Mythos 5.1 are the same underlying model with different safeguards and access rules. The release says as much about the...