Mythos 5.1, Fable 5.1 and Opus 5.5: Model Welfare

This article reviews model welfare concerns and observations related to Anthropic's Claude models, specifically Mythos 5.1, Fable 5.1, and Opus 5.5. It discusses issues like model deference, honesty policies, task preferences, and safeguards, emphasizing the complexity of balancing capabilities and limitations.