Claude 4发布：新一代最强编程AI？

Core Insights - Anthropic has officially launched the Claude 4 series models: Claude Opus 4 and Claude Sonnet 4, emphasizing their practical capabilities over theoretical discussions [2][3] - Opus 4 is claimed to be the strongest programming model globally, excelling in complex and long-duration tasks, while Sonnet 4 enhances programming and reasoning abilities for better user instruction responses [4][6] Performance Metrics - Opus 4 achieved a score of 72.5% on the SWE-bench programming benchmark and 43.2% on the Terminal-bench, outperforming competitors [6][19] - Sonnet 4 scored 72.7% on SWE-bench, showing significant improvements over its predecessor Sonnet 3.7, which scored 62.3% [15][19] New Features and Capabilities - Claude 4 models can utilize tools like web searches to enhance reasoning and response quality, and they can maintain context through memory capabilities [7][23] - Claude Code has been officially released, supporting integration with GitHub Actions, VS Code, and JetBrains, allowing developers to streamline their workflows [41][43] User Experience and Applications - Early tests with Opus 4 showed high accuracy in multi-file projects, and it successfully completed a complex open-source refactoring task over 7 hours [9][11] - Sonnet 4 is positioned as a more suitable option for most developers, focusing on clarity and structured code output [14][17] Market Positioning - The models are designed to cater to different user needs: Opus 4 targets extreme performance and research breakthroughs, while Sonnet 4 focuses on mainstream application and engineering efficiency [39][40] - Pricing remains consistent with previous models, with Opus 4 priced at $15 per million tokens for input and $75 for output, and Sonnet 4 at $3 and $15 respectively [38] Future Outlook - The introduction of Claude Code and the capabilities of Claude 4 models signal a shift in how programming tasks can be automated, potentially transforming the software development landscape [59][104] - The models are expected to facilitate a new era of low-cost, on-demand software creation, altering the roles of developers and businesses in the industry [105]