
Anthropic launches Claude Opus 4.1 with major coding and reasoning improvements
20 days ago
Claude Opus 4.1 improves on Opus 4 with better agentic tasks, coding, and reasoning, scoring 74.5% on SWE-bench Verified. It excels in multi-file code refactoring and precise debugging, favored by users like Rakuten. Available to paid users, API, Amazon Bedrock, and Google Cloud, pricing is unchanged. Users are encouraged to upgrade and provide feedback as larger updates are planned.