A Mathematical Framework for Transformer Circuits

Introducing Bloom: an open source tool for automated behavioral evaluations

Project Vend: Phase two

In June, we revealed that we’d set up a small shop in our San Francisco office lunchroom, run by an AI shopkeeper. It was part of Project Vend, a free-form experiment exploring how well AIs could do on complex, real-world tasks. How has Claude's business been since we last wrote?

Introducing Anthropic Interviewer: What 1,250 professionals told us about working with AI

We built an interview tool called Anthropic Interviewer. Powered by Claude, Anthropic Interviewer runs detailed interviews automatically and at unprecedented scale.