Anthropic launched Claude Fable 5.1 and Mythos 5.1, featuring two access levels, a real jump forward for coding and knowledge work, and enterprise frontier safeguards.

We're an AI research company that builds reliable, interpretable, and steerable AI systems. Our first product is Claude, an AI assistant for tasks at any scale. Our research interests span multiple areas including natural language, human feedback, scaling laws, reinforcement learning, code generation, and interpretability.