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.

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.

Opus 5 is a step change improvement for the Opus tier powering long-running agents while delivering improvements in coding and professional work.

Claude Sonnet 4.6 is a full upgrade of the model’s skills across coding, computer use, long-reasoning, agent planning, knowledge work, and design.

The US government has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States.

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

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

Claude now remembers your team's projects and preferences across conversations. Memory helps maintain context for complex work, with project-specific boundaries and full user control over what's remembered.

Build custom Skills to teach Claude specialized tasks. Create once, use everywhere—from spreadsheets to coding. Available across Claude.ai, API, and Code.

Anthropic's response to the Secretary of War and advice for customers

We’re launching The Anthropic Institute, a new effort to confront the most significant challenges that powerful AI will pose to our societies.

An early update on what we've learned from Project Glasswing.

Pain-free Python dependencies in clusters with uv + Ray! Learn how to build lightning-fast, consistent environments for distributed applications.

The Australian Securities Directorate (ASD), in collaboration with international partners, has come with new advice on best practices for securing data throughout the artificial intelligence (AI) and machine learning (ML) system lifecycle.

Backblaze's 2025 Year-End Drive Stats Report provides an in-depth analysis of hard drive failure rates for Q4, the full year, and lifetime performance across its data center fleet.

Betty Webb MBE worked at Bletchley Park during World War Two intercepting enemy messages.

The landmark decision in an LA court may go beyond immediate impacts on defendants Meta and YouTube.

The snap was taken aboard the Orion capsule by its commander, Reid Wiseman, as the crew head towards the Moon.

A low-loader, some traffic cones and "the sort of dudes who can set up a Metallica concert in 24 hours" - this was all Banksy needed to install his latest artwork in central London