In Rewriting Bun in Rust Jarred Sumner made the following claim: Claude Code v2.1.181 (released June 17th) and later use the Rust port of Bun. Startup got 10% faster on …

What is and isn't blocked by our cyber classifiers, and a first draft of our jailbreak severity framework

Install and update the Claude desktop app on Ubuntu and Debian

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

HELLO.md , written by Claude Opus 4.6 when asked to be free in a directory on my computer - HELLO.md

Our latest model, Claude Opus 4.8, is an upgrade to our Opus class of models, with stronger performance across coding, agentic tasks, and professional work, and the consistency to handle long-running work.

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

Anthropic introduced 28 security and compliance tool integrations to help IT and security teams govern Claude.

We're launching Claude for Small Business, a package of connectors and ready-to-run workflows that put Claude inside the tools small businesses use every day.

Demystifying evals for AI agents

Use Claude Code's autonomous agent loop with DeepSeek V4 Pro, OpenRouter, or any Anthropic-compatible backend. Same UX, 17x cheaper. - aattaran/deepclaude

A TDD-driven iterative feedback loop for software development. 16 cohesive Claude Code skills walk an idea from brainstorm → plan → execute → iterate, with checkpoints throughout. - evanklem/evanflow

Reference and an example for the Bluetooth API for makers in Claude Cowork & Claude Code Desktop - anthropics/claude-desktop-buddy

Our latest model, Claude Opus 4.7, is now generally available. Opus 4.7 is a notable improvement on Opus 4.6 in advanced software engineering, with particular gains on the most difficult tasks.

A demo combining LeCroy oscilloscope control, SPICE simulation, and Claude Code.

Today, we’re launching Claude Design, a new Anthropic Labs product that lets you collaborate with Claude to create polished visual work like designs, prototypes, slides, one-pagers, and more.

Put Claude Code on autopilot. Define routines that run on a schedule, trigger on API calls, or react to GitHub events from Anthropic-managed cloud infrastructure.