Anthropic's most powerful reasoning model with extended thinking. Excels at complex analysis, multi-step math, advanced coding, and nuanced writing.
Undisclosed
Parameters
200K tokens
Context Window
Proprietary
License
Sep 1, 2025
Released
๐ฐ Pricing
Input
$15
per 1M tokens
Output
$75
per 1M tokens
โก Strengths
๐ฏ Use Cases
API Available
This model is accessible via API for integration into your applications.
๐ ๏ธ Tools Built on Claude 4 Opus
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Anthropic's agentic coding CLI. Autonomous multi-file editing, terminal commands, and full codebase understanding.
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Anthropic's AI assistant. Known for nuanced writing, long-context analysis, and thoughtful responses.
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Model Context Protocol โ open standard for connecting AI to tools, data sources, and systems.
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