# Source: https://docs.claude.com/en/resources/overview.md

# Source: https://docs.claude.com/en/release-notes/overview.md

# Source: https://docs.claude.com/en/docs/build-with-claude/prompt-engineering/overview.md

# Source: https://docs.claude.com/en/docs/build-with-claude/overview.md

# Source: https://docs.claude.com/en/docs/agents-and-tools/tool-use/overview.md

# Source: https://docs.claude.com/en/docs/agents-and-tools/agent-skills/overview.md

# Source: https://docs.claude.com/en/docs/agent-sdk/overview.md

# Source: https://docs.claude.com/en/docs/about-claude/use-case-guides/overview.md

# Source: https://docs.claude.com/en/docs/about-claude/models/overview.md

# Source: https://docs.claude.com/en/api/overview.md

# Source: https://docs.claude.com/en/resources/overview.md

# Source: https://docs.claude.com/en/release-notes/overview.md

# Source: https://docs.claude.com/en/docs/build-with-claude/prompt-engineering/overview.md

# Source: https://docs.claude.com/en/docs/build-with-claude/overview.md

# Source: https://docs.claude.com/en/docs/agents-and-tools/tool-use/overview.md

# Source: https://docs.claude.com/en/docs/agents-and-tools/agent-skills/overview.md

# Source: https://docs.claude.com/en/docs/agent-sdk/overview.md

# Source: https://docs.claude.com/en/docs/about-claude/use-case-guides/overview.md

# Source: https://docs.claude.com/en/docs/about-claude/models/overview.md

# Source: https://docs.claude.com/en/api/overview.md

# Source: https://docs.claude.com/en/resources/overview.md

# null

<div style={{ maxWidth: '70rem', marginLeft: 'auto', marginRight: 'auto', paddingLeft: '1.25rem', paddingRight: '1.25rem', marginTop: '3rem' }}>
  <h2 className="description-text" style={{ fontFamily: 'Copernicus, serif', fontWeight: '300', fontSize: '28px', marginBottom: '1.5rem', textAlign: 'center' }}>
    Model cards
  </h2>

  <div className="home-cards-custom">
    <Card title="Claude 3 Model Card" icon="file-pdf" href="https://assets.anthropic.com/m/61e7d27f8c8f5919/original/Claude-3-Model-Card.pdf">
      Detailed documentation of Claude 3 models including latest 3.5 addendum.
    </Card>

    <Card title="Claude Sonnet 3.7 System Card" icon="file-pdf" href="https://anthropic.com/claude-3-7-sonnet-system-card">
      System card for Claude Sonnet 3.7 with performance and safety details.
    </Card>

    <Card title="Claude 4 System Card" icon="file-pdf" href="https://www-cdn.anthropic.com/6be99a52cb68eb70eb9572b4cafad13df32ed995.pdf">
      Detailed documentation of Claude 4 models.
    </Card>

    <Card title="Claude Opus 4.1 System Card" icon="file-pdf" href="http://www.anthropic.com/claude-opus-4-1-system-card">
      Detailed documentation of Claude Opus 4.1.
    </Card>

    <Card title="Claude Sonnet 4.5 System Card" icon="file-pdf" href="http://www.anthropic.com/claude-sonnet-4-5-system-card">
      Detailed documentation of Claude Sonnet 4.5.
    </Card>

    <Card title="Claude Haiku 4.5 System Card" icon="file-pdf" href="http://www.anthropic.com/claude-haiku-4-5-system-card">
      Detailed documentation of Claude Haiku 4.5.
    </Card>
  </div>
</div>

<div style={{ maxWidth: '70rem', marginLeft: 'auto', marginRight: 'auto', paddingLeft: '1.25rem', paddingRight: '1.25rem', marginTop: '3rem' }}>
  <h2 className="description-text" style={{ fontFamily: 'Copernicus, serif', fontWeight: '300', fontSize: '28px', marginBottom: '1.5rem', textAlign: 'center' }}>
    Learning resources
  </h2>

  <div className="home-cards-custom">
    <Card title="Quickstarts" icon="bolt-lightning" href="https://github.com/anthropics/anthropic-quickstarts">
      Deployable applications built with our API.
    </Card>

    <Card title="Courses" icon="graduation-cap" href="https://anthropic.skilljar.com/">
      Step by step lessons on building with Claude.
    </Card>

    <Card title="Cookbook" icon="utensils" href="https://github.com/anthropics/anthropic-cookbook">
      Replicable code samples and implementations.
    </Card>

    <Card title="Prompt library" icon="book-open" href="/en/resources/prompt-library/library">
      Explore optimized prompts for a breadth of business and personal tasks.
    </Card>

    <Card title="Use case guides" icon="compass" href="/en/docs/about-claude/use-case-guides/overview">
      In-depth production guides for building common use cases with Claude.
    </Card>

    <Card title="Glossary" icon="book-bookmark" href="/en/docs/about-claude/glossary">
      Key terms and concepts for working with Claude and language models.
    </Card>
  </div>
</div>

<div style={{ maxWidth: '70rem', marginLeft: 'auto', marginRight: 'auto', paddingLeft: '1.25rem', paddingRight: '1.25rem', marginTop: '3rem', marginBottom: '4rem' }}>
  <h2 className="description-text" style={{ fontFamily: 'Copernicus, serif', fontWeight: '300', fontSize: '28px', marginBottom: '1.5rem', textAlign: 'center' }}>
    Resources for AI ingestion
  </h2>

  <div className="home-cards-custom">
    <Card title="API primer for Claude ingestion" icon="head-side-gear" href="/en/docs/claude_api_primer.md">
      Concise API guide meant for ingestion by Claude.
    </Card>

    <Card title="Claude API Docs Overview" icon="robot" href="/for-claude">
      Concise overview of Claude API documentation, optimized for LLM ingestion.
    </Card>

    <Card title="llms.txt" icon="file-lines" href="/llms.txt">
      LLM-optimized documentation index.
    </Card>

    <Card title="llms-full.txt" icon="file-lines" href="/llms-full.txt">
      Complete LLM-optimized documentation.
    </Card>
  </div>
</div>