Claude Opus 4.1
Anthropic's Claude Opus 4.1 is a chat model capable of handling various tasks, including text generation, reasoning, and function calling, with support for inputs such as images and text. It is genuinely best at tasks that require extended thinking and computer use, given its listed capabilities.
Input
Output
Context
200K
Max Output
32K
Parameters
400B
Technical Specifications
Model TypeChat
Context Window200,000 tokens
Max Output Tokens32,000 tokens
Parameters400B
Release DateAug 5, 2025
Training CutoffMar 1, 2025
Licenseproprietary
Open SourceNo
Input Modalities
ImageText
Output Modalities
Text
Capabilities
Resources & Links
proprietary, Proprietary - API access only
Estimated GPU Requirements for Claude Opus 4.1
Estimates based on INT8 quantization. Actual requirements vary by framework and configuration.
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jun 23, 2026
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