Claude Fable 5

Anthropic has launched Claude Fable 5, a state-of-the-art AI model with capabilities exceeding all previously available models, featuring exceptional performance in software engineering, knowledge work, and scientific research. The model is released with safeguards to prevent misuse of its advanced cybersecurity capabilities, with a restricted version called Claude Mythos 5 available to cyberdefenders and infrastructure providers through Project Glasswing. Both models are priced at less than half the cost of previous versions, at $10 per million input tokens and $50 per million output tokens.