Introducing Claude 4, our latest generation of models:

Claude Opus 4 - Our most capable and intelligent model yet. Claude Opus 4 sets new standards in complex reasoning and advanced coding

Claude Sonnet 4 - Our high-performance model with exceptional reasoning and efficiency

Learn more in our blog post.

Looking to chat with Claude? Visit claude.ai!

Get started

If you’re new to Claude, start here to learn the essentials and make your first API call.


Develop with Claude

Anthropic has best-in-class developer tools to build scalable applications with Claude.


Key capabilities

Claude can assist with many tasks that involve text, code, and images.


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