<p>Anthropic has released Claude Opus 4.1, an improved version of their flagship AI model that delivers superior performance and precision for real-world coding and agentic tasks. The new model is a drop-in replacement for Claude Opus 4, offering enhanced capabilities without changing the API.</p> <p>The most significant improvement is in software engineering accuracy, where Claude Opus 4.1 achieves 74.5% compared to 72.5% with the previous Claude Opus 4 and 62.3% with Claude Sonnet 3.7. This represents a meaningful advancement in AI-assisted coding capabilities.</p> <p>"Claude Opus 4.1 builds on the strengths of Opus 4 while delivering more reliable performance for complex development tasks," according to Anthropic's announcement. The model maintains the same advanced reasoning capabilities while improving precision in software engineering scenarios.</p> <p>Claude Opus 4.1 is immediately available to Claude Pro, Max, Team, and Enterprise users through the Claude interface, as well as developers using the Anthropic API, Amazon Bedrock, and Google Cloud's Vertex AI. The model represents Anthropic's continued focus on practical AI applications for developers and businesses.</p>