Claude does cyber competitions
…Claude can make good use of autonomy and tools The HackTheBox competition also demonstrated the agentic capabilities of Claude. Once our researcher started the script late, he went back to moving into…
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Anthropic raises $65B in Series H funding at $965B post-money valuation
…We are honored to deepen our partnership.” “Startups and Global 5000 companies alike are deploying Claude to handle complex workflows, and in doing so, Claude is learning how businesses actually operate: the…
Trustworthy agents in practice
…The most direct way that users stay in control of Claude is by deciding what Claude can and can't do. In Claude.ai and Claude Desktop, users can choose which tools…
Anthropic opens Seoul office and announces new partnerships across the Korean AI ecosystem
…Teams are using Claude—including Claude Cowork and Claude Code—to advance day-to-day knowledge work, agentic workflows, and software development at scale. And startups are building Claude directly into their…
Anthropic Economic Index report: Learning curves
…We sample 1 million conversations from both Claude.ai, our consumer-facing web product, and our first-party API, the developer-facing interface for integrating Claude into products and workflows. 2 Coding…
Measuring AI agent autonomy in practice
…In particular, our risk, autonomy, and human involvement classifications reflect what Claude can infer from the context of individual tool calls, and do not distinguish between actions taken in production and actions…
Automated Alignment Researchers: Using large language models to scale scalable oversight
…We also provided some background knowledge about model training and inference. We referred to these tooled-up Claude models as Automated Alignment Researchers (or AARs). To prevent each AAR from pursuing near…
Demystifying evals for AI agents
…calling tools, modifying state, and adapting based on intermediate results. These same capabilities that make AI agents useful—autonomy, intelligence, and flexibility—also make them harder to evaluate. Through our internal work…
How AI Is Transforming Work at Anthropic
…AI delegation approaches Engineers and researchers are developing a variety of strategies for productively leveraging Claude in their workflow. People generally delegate tasks that are: Outside the user’s context and low…
Harness design for long-running application development
…The sprite editor was richer and more fully featured, with cleaner tool palettes, a better color picker, and more usable zoom controls. Because I'd asked the planner to weave AI features…