---
title: Model cards
url: https://platform.claude.com/docs/en/resources/overview
description: Model cards with detailed documentation for Claude models.
---

<CardGroup cols={3}>
  <Card title="Claude Haiku 5.5 System Card" icon="file" href="https://www.anthropic.com/document/claude-haiku-5-5-system-card">
    Detailed documentation of Claude Haiku 5.5.
  </Card>

  <Card title="Claude Sonnet 5.5 System Card" icon="file" href="https://www.anthropic.com/document/claude-sonnet-5-5-system-card">
    Detailed documentation of Claude Sonnet 5.5.
  </Card>

  <Card title="Claude Opus 5.5 System Card" icon="file" href="https://www.anthropic.com/claude-opus-5-5-system-card">
    Detailed documentation of Claude Opus 5.5.
  </Card>

  <Card title="Claude Fable 5.1 and Mythos 5.1 System Card" icon="file" href="https://www.anthropic.com/claude-fable-5-1-mythos-5-1-system-card">
    Detailed documentation of Claude Fable 5.1 and Claude Mythos 5.1.
  </Card>

  <Card title="Claude Opus 5 System Card" icon="file" href="https://www.anthropic.com/claude-opus-5-system-card">
    Detailed documentation of Claude Opus 5.
  </Card>

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

  <Card title="Claude Fable 5 and Mythos 5 System Card" icon="file" href="https://www.anthropic.com/claude-fable-5-mythos-5-system-card">
    Detailed documentation of Claude Fable 5 and Claude Mythos 5.
  </Card>

  <Card title="Claude Opus 4.8 System Card" icon="file" href="https://www.anthropic.com/claude-opus-4-8-system-card">
    Detailed documentation of Claude Opus 4.8.
  </Card>

  <Card title="Claude Opus 4.7 System Card" icon="file" href="https://www.anthropic.com/claude-opus-4-7-system-card">
    Detailed documentation of Claude Opus 4.7.
  </Card>

  <Card title="Claude Mythos Preview System Card" icon="file" href="https://www.anthropic.com/claude-mythos-preview-system-card">
    Detailed documentation of Claude Mythos Preview.
  </Card>

  <Card title="Claude Sonnet 4.6 System Card" icon="file" href="https://www.anthropic.com/claude-sonnet-4-6-system-card">
    Detailed documentation of Claude Sonnet 4.6.
  </Card>

  <Card title="Claude Opus 4.6 System Card" icon="file" href="https://www.anthropic.com/claude-opus-4-6-system-card">
    Detailed documentation of Claude Opus 4.6.
  </Card>

  <Card title="Claude Opus 4.5 System Card" icon="file" href="https://www.anthropic.com/claude-opus-4-5-system-card">
    Detailed documentation of Claude Opus 4.5.
  </Card>

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

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

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

  <Card title="Claude 4 System Card" icon="file" href="https://www.anthropic.com/claude-4-system-card">
    Detailed documentation of Claude 4 models.
  </Card>

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

  <Card title="Claude Haiku 3.5 and Sonnet 3.5 System Card" icon="file" href="https://www-cdn.anthropic.com/c7822cdc35ad788ec87e14b3a9d45010f1f86c38.pdf">
    Detailed documentation of Claude Haiku 3.5 and Claude Sonnet 3.5.
  </Card>

  <Card title="Claude 3 Model Card" icon="file" href="https://www.anthropic.com/claude-3-model-card">
    Detailed documentation of Claude 3 models including latest 3.5 addendum.
  </Card>

  <Card title="Claude 2 Model Card" icon="file" href="https://www.anthropic.com/claude-2-model-card">
    Detailed documentation of Claude 2 models.
  </Card>
</CardGroup>