We wrote up what we've learned about using Claude Code internally at Anthropic. Here are the most effective patterns we've found (many apply to coding with LLMs generally):

Anthropic just mapped Claude's morality! The co analyzed 300K+ chats and found that the AI exhibits 5 key values, including practical and protective This will improve our understanding of AI as it becomes more and more crucial to real-world decisions x.com/AnthropicAI/st…

Today we're announcing Integrations, a new way to connect your apps and tools to Claude. We're also expanding Claude's Research capabilities with an advanced mode that searches the web, your Google Workspace, and now your Integrations too.

Web search is available worldwide for all paid plans. For everyday tasks, Claude runs quick searches. For more complex questions, it explores multiple sources, including Google Workspace.

Want to study the economic impact of AI and influence the policy choices a frontier lab makes? I'm building a team to advance Anthropic 's Economic Index & other ~special projects. Lots of fun! Economist: job-boards.greenhouse.io/anthropic/jobs… Data Scientist: job-boards.greenhouse.io/anthropic/jobs…

Thrilled to announce our new survey that explores the exciting possibilities and troubling risks of computational persuasion in the era of LLMs 🤖💬 📄Arxiv: arxiv.org/pdf/2505.07775 💻 GitHub: github.com/beyzabozdag/Pe…

Code with Claude is this Thursday - 5/22 starting at 930am PT Lots of new stuff has been cooking and it all smells goooood, should be a fun one! Will be livestreamed on anthropic.com/events

Join us from 9:30am PT tomorrow: clau.de/livestream.

Super excited about what we cooked! Meet Claude 4 - the best coding models in the world!

Our interpretability team recently released research that traced the thoughts of a large language model. Now we’re open-sourcing the method. Researchers can generate “attribution graphs” like those in our study, and explore them interactively.

Claude Code now integrates more deeply with VS Code and JetBrains IDEs. Claude Code can see your open files, LSP diagnostics, and any text you highlight. When Claude Code proposes changes, it'll show you the edits in the editor, allowing you to work seamlessly in your favorite

New on the Anthropic Engineering blog: how we built Claude’s research capabilities using multiple agents working in parallel. We share what worked, what didn't, and the engineering challenges along the way. anthropic.com/engineering/bu…

Introducing two new ways to create with Claude: A dedicated space for building, hosting, and sharing artifacts, and the ability to embed AI capabilities directly into your creations.

Important and timely work led by Miles McCain and 309 others et al. on affective conversations with Claude—how people turn to AI for support, advice, and companionship, and how Claude responds in these moments.

New Anthropic Research: Project Vend. We had Claude run a small shop in our office lunchroom. Here’s how it went.

I'll be at #ICML2025 this week presenting SafeArena (Wednesday 11AM - 1:30PM in East Exhibition Hall E-701). Come by to chat with me about web agent safety (or anything else safety-related)!

Come work with us!!

If you want to get into alignment research, imo this is one of the best ways to do it. Some previous fellows did some of the most interesting research I've seen this year and >20% ended up joining Anthropic full-time. Application deadline is this Sunday!

We launched a Claude Code learning mode! Claude Code not only makes you more productive, but can now also help you get better at coding. Whether you're a CS student or seasoned programmer, it will push you to think deeper about the code you're generating.

Dario and I are gathering policymakers in DC on September 15th to give an inside look into Anthropic’s latest progress, and share live demonstrations of how AI is being applied to national security, science, and public services. Register to attend: website.anthropic.com/events/futures…