Claude Opus 4.6
…We only ship models in v0 when developers will genuinely feel the difference. Claude Opus 4.6 passed that bar with ease. Its frontier-level reasoning, especially with edge cases, helps v0…
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Frontier Developments
Anthropic co-founder Chris Olah's remarks on Pope Leo XIV's encyclical "Magnifica humanitas"
…Every frontier AI lab—including Anthropic—operates inside a set of incentives and constraints that can sometimes conflict with doing the right thing. The pressure to stay commercially viable and to stay…
Anthropic and Amazon expand collaboration for up to 5 gigawatts of new compute
…Claude remains the only frontier AI model available to customers on all three of the world's largest cloud platforms: AWS (Bedrock), Google Cloud (Vertex AI), and Microsoft Azure (Foundry). Claude Platform…
Automated Alignment Researchers: Using large language models to scale scalable oversight
…Frontier AI models are now contributing to the development of their successors. But can they provide the same kind of uplift for alignment researchers? Could our language models be used to help…
Evaluating Claude’s bioinformatics research capabilities with BioMysteryBench
…Although these benchmarks were developed in the “chatbot” era, they’ve persisted into the agent and tool-use era, joined by even more difficult scientific reasoning evals like FrontierScience and Humanity's…
Expanding Project Glasswing
…the millions of organizations and developers who are vulnerable to cyberattacks. To support this, we recently released Claude Security , a product that uses our latest public frontier models, like Claude Opus 4…
Project Glasswing: An initial update
…We’ve also supported the development of ExploitBench and ExploitGym , the two new benchmarks that allow researchers to track frontier AI models’ exploit development capabilities over time, as we discuss here . We…
Measuring LLMs’ ability to develop exploits
Frontier Red Team Measuring LLMs’ ability to develop exploits May 22, 2026 Newton Cheng, Keane Lucas, Winnie Xiao, Nicholas Carlini, and Milad Nasr Introduction Claude Mythos Preview ’s ability to develop exploits…
Anthropic appoints KiYoung Choi as Representative Director of Korea
…Previously, he held country leadership roles at Google Cloud, Adobe, Autodesk, and Microsoft. “Korea is one of the most sophisticated AI markets in the world, leading in hardware innovation, developer activity, and…
Donating our open-source alignment tool
…It’s part of our efforts to develop alignment tools that are open and useful for the whole AI development community. Petri has been part of our alignment assessment for every Claude…