In partnership with @GivingTuesday, we're launching Claude for Nonprofits.It has discounted plans, new integrations, and free training to help nonprofits spend less time on admin and more time on their missions: https://t.co/aQJFzLXUTO ...

New on our Frontier Red Team blog: We tested whether AIs can exploit blockchain smart contracts.In simulated testing, AI agents found $4.6M in exploits.The research (with @MATSprogram and the Anthropic Fellows program) also developed a new benchmark: https://t.co/QpGPMqlDRG ...

AI Agent Challenges - Long-running AI agents face challenges working across many context windows [1] - Anthropic Engineering Blog explores creating a more effective agent harness inspired by human engineers [1]

Research Focus - Anthropic 公司构建了一系列不诚实模型，用于系统性地测试提高诚实度和检测谎言的方法 [1] - 研究测试了 25 种以上的方法，发现简单的微调模型，使其在面对欺骗性指令时保持诚实，效果最佳 [1] Methodology - 该研究侧重于通过构建多样化的不诚实模型来测试和改进 AI 模型的诚实性 [1] Key Findings - 微调模型以使其诚实是提高 AI 模型诚实性的有效方法 [1]

Our study has limitations: above all, Claude can’t use what happens outside of the chat window to refine its estimate of task-level savings.But as models improve, we think its estimates of task-level savings will improve too. We’ll return to this research soon. ...

This result implies a doubling of the baseline labor productivity growth trend—placing our estimate towards the upper end of recent studies. And if models improve, the effect could be larger still. https://t.co/lIkf3GZYRR ...

AI Productivity Gains - Anthropic 公司正在研究如何评估 Claude 对 AI 生产力的提升 [1] - 研究旨在衡量 Claude 在实际应用中节省的时间 [1] Research Focus - 研究重点在于确定 Claude 的使用场景和任务类型 [1] - Anthropic 经济指数用于分析 Claude 的应用领域 [1]

We're proud to partner with @ENERGY and the Trump Administration on the Genesis Mission.By combining DOE's unmatched scientific assets with our frontier AI capabilities, we'll support American energy dominance as well as advance and accelerate scientific productivity.U.S. Department of Energy (@ENERGY):https://t.co/0RwhGSduDn ...

RT Claude (@claudeai)Introducing Claude Opus 4.5: the best model in the world for coding, agents, and computer use.Opus 4.5 is a step forward in what AI systems can do, and a preview of larger changes to how work gets done. https://t.co/mid2Z1qzIf ...

For more on our results, read our blog post: https://t.co/GLV9GcgvO6And read our paper: https://t.co/FEkW3r70u6 ...