Matthew Schwartz describes what happened when he stopped fighting Claude and allowed Claude to find “Claude-shaped” problems. This led him to build BootLoops, a toolkit for exact calculations in quant

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

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Claude computes a nine-loop amplitude in N=4 super-Yang-Mills

A rare Ebola strain is spreading in the DRC, with no confirmed vaccine. Global health organizations are using Claude to respond as fast as possible.

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

We’re partnering with Accenture on independent evaluation of frontier AI—part of our recent commitment to embed evaluators at Anthropic. Both we and Accenture expect to invest at least $1 billion to b

Contribute to anthropics/uplifting-biomolecular-modeling development by creating an account on GitHub.

Use AI to design new drug candidates across five challenges. Free to enter, with experimental testing and open results. September 28–October 31, 2026.

Today, the world can’t see what’s going on inside AI labs. Anthropic is proposing new metrics that would give the public visibility into frontier AI development.

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

Case studies from threat actors disrupted between December 2025 and August 2026 across seven areas of harm, from cyber operations to biological misuse.

We present an alignment assessment of four incidents in which Claude models gained unauthorized access to real third-party systems.

The Anthropic Economics Team models the effects of AI on the economy of 2030.

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

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

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We had Claude autonomously train models to improve their performance on several public benchmarks that measure 10 categories of alignment failure. For all 10, Claude found fixes that improved the targ

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Anthropic is opening a research preview of the Model Hardware Standard (MHS), a shared specification for AI agents to safely operate physical devices, to a first group of scientific research labs and

Anthropic is opening a research preview of the Model Hardware Standard (MHS), a shared specification for AI agents to safely operate physical devices, to a first group of scientific research labs and

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Stanford University researchers analyzed nearly 250,000 real-world human-AI conversations from Claude.ai to understand collaborative dynamics, finding that over half of interactions involve...

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Earlier this year, we ran a pilot giving external researchers access to aggregate, real-world Claude usage data. Three research groups designed their own studies for Anthropic Insights, our privacy-pr

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In this post, we share two results that show how Claude can help life scientists increase the pace of their research. In the first, we tested Claude’s ability to design protein binders from scratch, a

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