The Claude 3 model family—Haiku, Sonnet, and Opus—sets new industry benchmarks across a wide range of cognitive tasks.
Introducing the next generation of Claude Preparing for the 2026 US midterms Earlier this year, we shared an update on our election safeguards. Here, we outline how we’ve continued to strengthen these safeguards ahead of this year’s US midterms.
Anthropic Economic Index report: Cadences The latest Economic Index report looks at when people come to Claude, what they produce with it, and how they perceive AI's impact on their work.
Measuring AI agent autonomy in practice Analysis of millions of human-agent interactions shows agent turns getting longer, with software engineering making up nearly half of tool calls.
What 81,000 people told us about AI economics Anthropic's recent survey of 81,000 Claude users provides a way to connect people’s economic concerns with what we’ve quantified in Claude traffic.
How Claude Code is used in practice New Anthropic research looking at interactive agentic coding. We evaluate the composition of tasks, human-AI collaboration, and success rates.
An alignment assessment of recent cybersecurity incidents We present an alignment assessment of four incidents in which Claude models gained unauthorized access to real third-party systems.
Detecting and countering malicious uses of Claude Anthropic's March 2025 report on detecting and countering malicious uses of Claude.
Claude is now available in Brazil Claude, Anthropic’s trusted AI assistant, is now available in Brazil. Starting today, consumers and businesses in Brazil will be able to access Claude.
Claude's new constitution A new approach to a foundational document that expresses and shapes who Claude is
Claude is now available in the EU Claude, Anthropic's trusted AI assistant, is now available for people and businesses across Europe.
How Claude's values vary by model and language We analyzed 300,000 real conversations to measure the values Claude expresses across models and languages, compressed into four interpretable axes.
Improving Fable 5's safeguards We’re making updates to Claude Fable 5’s biology safeguards in a way that substantially reduces fallbacks.
Reflections on our Responsible Scaling Policy Lessons from implementing our first Responsible Scaling Policy, which focuses on catastrophic safety failures and misuse of frontier models.
How we contain Claude across products As agents grow more capable, so does their potential blast radius. Here's what we learned building containment for claude.ai, Claude Code, and Cowork.
Can we predict the jobs robots will do? What work can robots do? Anthropic's robot exposure index finds robots can do 3/4 of US physical job tasks, but are cost-competitive for only 0.3%.