Incident Overview - Three infrastructure bugs affected Claude between August and early September [1] - The postmortem details what happened, why fixes were delayed, and planned changes [1]

Resource Link - Anthropic Economic Index 的交互式网站链接已提供，供用户自行探索数据 [1]

AI Usage Analysis - Anthropic Economic Index 发布了关于人工智能在美国各州和 Anthropic 服务国家/地区使用情况的综合分析报告 [1] - 该报告提供了一个详细的分析，并提供了一个新的互动网站来探索数据 [1]

In our report, we find that people delegate complete tasks to Claude 39% of the time—up from 27% just eight months ago. Meanwhile, DC and Utah lead the US in Claude use per capita.Read more: https://t.co/vlBnWuJer9 ...

Model Testing and Security - Ongoing testing of models like Claude Opus 4 and 4.1 helps identify vulnerabilities [1] - Testing facilitates building strong safeguards before deployment [1]

Partnerships - Public-private partnerships are crucial for developing secure AI models [1] - Collaboration with the US Center for AI Standards and Innovation (CAISI) highlights the importance of these partnerships [1] - Collaboration with the UK AI Security Institute (AISI) also emphasizes the significance of public-private cooperation [1]

New on the Anthropic Engineering blog: writing effective tools for LLM agents.AI agents are only as powerful as the tools we give them. So how do we make those tools more effective?We share our best tips for developers: https://t.co/N1kFYrTtax ...

RT Claude (@claudeai)Claude can now create and edit files.Turn conversations into Excel spreadsheets, documents, PowerPoint slide decks, and PDFs directly. https://t.co/F3yOiNMasU ...

The question is whether we’ll develop AI governance thoughtfully today, or reactively tomorrow. SB 53 offers a solid path toward the former. We encourage California to take it.Read more: https://t.co/n7azVO0uEe ...

Frontier AI safety is best addressed at the federal level instead of a patchwork of state regulations. But powerful AI advancements won’t wait for consensus in Washington. ...