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模型
模型概览模型 ID 与版本控制选择模型Claude Fable 5 和 Claude Mythos 5 介绍Claude Opus 4.8 新功能在模型版本之间升级模型弃用模型卡片系统提示定价
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模型与定价/模型

Resources

Model cards, learning resources, and documentation formats optimized for AI ingestion.
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This page isn't available in 简体中文 yet, so we're showing the English version. Other pages in 简体中文 are still available from the navigation.

Model cards

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Claude Opus 4.8 System Card
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Detailed documentation of Claude Opus 4.8.

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Claude Opus 4.7 System Card
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Detailed documentation of Claude Opus 4.7.

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Claude Sonnet 4.6 System Card
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Detailed documentation of Claude Sonnet 4.6.

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Claude Opus 4.5 System Card
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Detailed documentation of Claude Opus 4.5.

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Claude Haiku 4.5 System Card
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Detailed documentation of Claude Haiku 4.5.

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Claude Sonnet 4.5 System Card
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Detailed documentation of Claude Sonnet 4.5.

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Claude Opus 4.1 System Card
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Detailed documentation of Claude Opus 4.1.

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Claude 4 System Card
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Detailed documentation of Claude 4 models.

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Claude Sonnet 3.7 System Card
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System card for Claude Sonnet 3.7 with performance and safety details.

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Claude 3 Model Card
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Detailed documentation of Claude 3 models including latest 3.5 addendum.

Learning resources

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Quickstarts
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Deployable applications built with the API.

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Courses
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Step-by-step lessons on building with Claude.

Cookbook
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Replicable code samples and implementations.

Use case guides

In-depth production guides for building common use cases with Claude.

Glossary

Key terms and concepts for working with Claude and language models.

Resources for AI ingestion

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API primer for Claude ingestion

Concise API guide meant for ingestion by Claude.

Claude Platform docs overview

Concise overview of Claude Platform documentation, optimized for LLM ingestion.

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llms.txt

LLM-optimized documentation index.

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  • Model cards
  • Learning resources
  • Resources for AI ingestion