



Claude Opus 4.1 from Anthropic is a powerful AI model optimized for coding, reasoning, and autonomous workflows.
Claude Opus 4.1 by Anthropic is an advanced upgrade to the flagship Claude Opus 4 model, designed for coding, reasoning, and agentic tasks with outstanding precision and a 200,000-token context window. It supports up to 32,000 tokens in responses, achieving a leading 74.5% on the SWE-bench Verified benchmark, demonstrating superior performance in complex multi-file code refactoring and debugging large codebases.
Claude Opus 4.1 demonstrates improvements across a broad range of capabilities compared to Opus 4, with especially strong gains in handling complex multi-file code refactoring.

vs. Claude Opus 4:Claude Opus 4.1 offers improved precision and excels in multi-file refactoring with hybrid reasoning capabilities, marking a clear advancement over the already strong coding and reasoning performance of Opus 4.
vs. Gemini 2.5 Flash:Claude Opus 4.1 significantly outperforms Gemini 2.5 Flash by delivering superior coding accuracy, making it much better suited for complex software engineering tasks.
vs. OpenAI o3-mini:Compared to OpenAI o3-mini, Claude Opus 4.1 provides enhanced support for autonomous coding workflows and achieves higher benchmark scores, reflecting greater effectiveness in multi-step programming and reasoning.