Investigative journalists at Indicator, working with the nonprofit WITNESS, analyzed 13 AI companies affected by the new California AI disclosure law. Of those 13, only seven had a dedicated detection tool available. That means nearly half of the AI companies affected by the new law are already out of compliance.

California’s AI Transparency Act now requires the largest generative AI developers—such as OpenAI, Anthropic, Google, and Microsoft—to provide users with an AI detection tool.