OpenAI's attempts to watermark AI text hit limits • TechCrunch

Did a human write that, or ChatGPT? It can be hard to tell -- perhaps too hard, its creator OpenAI thinks, which is why it is working on a way to "watermark" AI-generated content. In a lecture at the University of Austin, computer science professor Scott Aaronson, currently a guest researcher at OpenAI, revealed that OpenAI is developing a tool for "statistically watermarking the outputs of a text [AI system]." Whenever a system -- say, ChatGPT -- generates text, the tool would embed an "unnoticeable secret signal" indicating where the text came from. OpenAI engineer Hendrik Kirchner built a working prototype, Aaronson says, and the hope is to build it into future OpenAI-developed systems.