Svmuureported that starting June 10, developers can officially access the newly released Claude Fable 5 model by Anthropic through the B.AI platform. As Anthropic's most powerful coding model to date, Claude Fable 5 is specifically designed for high-difficulty engineering scenarios such as legacy system migration, complex bug diagnosis in production environments, and long-cycle asynchronous development, excelling in code generation, logical reasoning, and problem-solving. The model further enhances long-context understanding and task planning capabilities, enabling it to adeptly handle complex development workflows lasting hours or even days. Currently, the API is fully open, supporting flexible integration and invocation; the web-based chat feature will also go live on the B.AI platform soon, providing developers with a more convenient and seamless interactive experience.