Claude Fable 5.1
Advanced AI for coding, knowledge, and scientific research.
Claude Fable 5.1 and Claude Mythos 5.1 are advanced AI models from Anthropic, designed to tackle complex challenges in coding, data analysis, and professional work. With advanced reasoning capabilities, they can handle long-running projects, develop and review code, solve technical problems, and support scientific research. A new generation of AI built to boost productivity, accelerate discoveries, and transform how professionals and researchers work.