Anthropic has introduced Claude Fable 5.1 and Mythos 5.1, updates that feature enhanced coding and research capabilities alongside lower effective pricing and updated safeguards.
- The standard Fable 5.1 model focuses on general improvements to coding and research tasks.
- Mythos 5.1 utilizes the same underlying model but includes specialized access controls designed for advanced cybersecurity and life sciences work.
- Both models are positioned with lower effective pricing compared to previous iterations.
These updates aim to provide developers with more cost-efficient tools for complex technical workflows while maintaining robust safety standards.