Circuit Breaker Labs builds crash test dummies for mental health chatbots

Most AI doom talk focuses on a hypothetical future where machines turn on humanity. Circuit Breaker Labs is focused on a more immediate problem: chatbots that have already let vulnerable people down. The US-based startup has built automated testing agents it describes as “crash test dummies” for conversational AI. The goal is simple to state and hard to execute: catch psychological harm before a real person in crisis ever types a message. How the crash test works Circuit Breaker Labs applies that logic to language models. Its core product is an agentic red-teaming framework, which is a fancy way of saying it deploys AI agents that play the role of difficult users. These simulated users probe a chatbot for weak spots. The company targets three kinds of failure in particular. The first is missing the cues of suicidal ideation, the signals that someone may be thinking about ending their life. The second is misreading slang, where a model takes a casual phrase literally or misses that a casual phrase carries serious meaning. The third is subtler: gradual context manipulation. That is when a conversation drifts, one message at a time, until a model ends up somewhere it should never have...