File: intro.md | Updated: 11/15/2025
Agent Skills are now available! Learn more about extending Claude's capabilities with Agent Skills .
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Intro to Claude
Home Developer Guide API Reference Model Context Protocol (MCP) Resources Release Notes
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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 !
If youβre new to Claude, start here to learn the essentials and make your first API call.
Get started
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Set up your development environment for building with Claude.
Learn about Claude
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Learn about the family of Claude models.
Prompt Library
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Explore example prompts for inspiration.
Anthropic has best-in-class developer tools to build scalable applications with Claude.
Developer Console
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Enjoy easier, more powerful prompting in your browser with the Workbench and prompt generator tool.
API Reference
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Explore, implement, and scale with the Claude API and SDKs.
Claude Cookbook
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Learn with interactive Jupyter notebooks that demonstrate uploading PDFs, embeddings, and more.
Claude can assist with many tasks that involve text, code, and images.
Text and code generation
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Summarize text, answer questions, extract data, translate text, and explain and generate code.
Vision
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Process and analyze visual input and generate text and code from images.
Help Center
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Find answers to frequently asked account and billing questions.
Service Status
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Check the status of Anthropic services.
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