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Claude Sonnet 4.5 is the best coding model in the world, strongest model for building complex agents, and best model at using computers.
Newsroom
To study such patterns of early AI adoption, we extend the Anthropic Economic Index along two important dimensions, introducing a geographic analysis of Claude.ai conversations and a first-of-its-kind examination of enterprise API use. We show how Claude usage has evolved over time, how adoption patterns differ across regions, and—for the first time—how firms are deploying frontier AI to solve business problems.
Newsroom
Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

Newsroom
Discover Claude 4's breakthrough AI capabilities. Experience more reliable, interpretable assistance for complex tasks across work and learning.