Anthropic releases powerful Claude Fable 5 AI model

Anthropic has launched Claude Fable 5, its most advanced generally available AI model, alongside the more restricted Claude Mythos 5. Fable 5 offers enhanced performance in software engineering, knowledge work, and research, surpassing previous Claude models. Mythos 5, while sharing Fable 5's core capabilities, has certain safeguards lifted for approved users, particularly in cybersecurity and biology research. Anthropic is implementing a tiered release strategy, routing high-risk queries from Fable 5 to a less capable model while keeping Mythos 5 accessible for specialized, vetted applications. This approach aims to balance broad enterprise utility with controlled access to potentially sensitive AI functionalities.