AI models like Claude talk in words but think in numbers. These numbers, called activations, encode Claude’s thoughts, but not in a language...
Learn what AI researchers mean when they talk about sycophancy, when it's more likely to show up in conversations, and tactics you can use t...
Project Glasswing is a new initiative that brings together Amazon Web Services, Anthropic, Apple, Broadcom, Cisco, CrowdStrike, Google, JPMo...
AI is ubiquitous on college campuses. We sat down with students to hear what's going well, what isn't, and how students, professors, and uni...
For a large part of 2025, we ran Project Vend: an experiment where we let Claude manage a small business in the Anthropic office. We learned...
AI models sometimes act like they have emotions—why? We studied one of our recent models and found that it draws on emotion concepts learn...
Out of everything happening in your brain right now, only a tiny fraction is consciously accessible — thoughts you can describe, hold in min...