Anthropic's Advanced AI Framework Read the advanced AI Safety Framework → We are publishing our proposal for h

Overview Claude and the mission of Anthropic Claude is trained by Anthropic, and our mission is to ensure that the world safely makes the transition through transformative AI. Anthropic occupies a peculiar position in th

Back to Careers Expression of Interest Research Manager, Interpretability San Francisco, CA Apply Research Engineer / Research Scientist, Tokens New York City, NY; New York City, NY | Seattle, WA; San Francisco, CA Apply

Claude Opus 5 Summary Table Model description Claude Opus 5 is a thoughtful and proactive model that comes close to frontier intelligence. On some coding and knowledge work evaluations Opus 5 is the new state-of-the-art.

Shape how AI meets the world Anthropic builds Claude—AI designed to be helpful, honest, and harmless. We're researchers, engineers, and builders from a range of disciplines, working to make sure powerful AI goes well for

AI will be one of the most transformative technologies in history. We work with governments to ensure that AI policy is built on the best available evidence. Policy on the AI Exponential AI is advancing at exponential sp