Claude Fable 5.1

Claude’s most advanced models for coding and knowledge work

Claude's most advanced models are designed for serious coding and knowledge work. They excel at handling complex codebases, reasoning through difficult problems, and providing insightful answers. But they also push the boundaries of what AI can do in research. With early research capabilities, these models hint at how AI will help drive scientific discovery. Whether you're debugging a tricky bug or exploring new scientific frontiers, Claude Fable 5.1 is built to assist with depth and precision.