Claude Opus 4.1 Released: Significant Coding Improvements

Anthropic has released Claude Opus 4.1, a major upgrade to Claude Opus 4, boasting significant improvements in coding, real-world application, and reasoning. Version 4.1 achieves a 74.5% score on SWE-bench Verified for coding performance and enhances in-depth research and data analysis capabilities, particularly in detail tracking and agentic search. Companies like Rakuten and Windsurf have praised its improvements in code correction and developer efficiency. It's now available to paid users and Claude Code users, and integrated into the API, Amazon Bedrock, and Google Cloud's Vertex AI.