Anthropic: Claude Opus 4.1
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains in multi-file code refactoring, debugging precision, and detail-oriented reasoning. The model supports extended thinking up to 64K tokens and is optimized for tasks involving research, data analysis, and tool-assisted reasoning.
Undisclosed
Parameters
200K tokens
Context Window
Proprietary
License
Aug 5, 2025
Released
💰 Pricing
Input
$15.00
per 1M tokens
Output
$75.00
per 1M tokens
API Available
This model is accessible via API for integration into your applications.
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