The latest generation of Claude models:

Claude Sonnet 4.5 - Our smartest model. Best for complex agents, coding, and most advanced tasks. Learn more.

Claude Haiku 4.5 - Our fastest model with near-frontier intelligence. Learn more.

Claude Opus 4.1 - Exceptional model for specialized tasks requiring advanced reasoning. Learn more.
Looking to chat with Claude? Visit claude.ai!

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Get started

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

Get started

Set up your development environment for building with Claude.

Learn about Claude

Learn about the family of Claude models.

Prompt Library

Explore example prompts for inspiration.

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Develop with Claude

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

Developer Console

Enjoy easier, more powerful prompting in your browser with the Workbench and prompt generator tool.

API Reference

Explore, implement, and scale with the Claude API and SDKs.

Claude Cookbook

Learn with interactive Jupyter notebooks that demonstrate uploading PDFs, embeddings, and more.

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Key capabilities

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

Text and code generation

Summarize text, answer questions, extract data, translate text, and explain and generate code.

Vision

Process and analyze visual input and generate text and code from images.

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Support

Help Center

Find answers to frequently asked account and billing questions.

Service Status

Check the status of Anthropic services.