You can either modify the model weights in a way that doesn't cause any real differences (change a few bits somewhere should be enough), or you could watermark

You can either modify the model weights in a way that doesn't cause any real differences (change a few bits somewhere should be enough), or you could watermark the actual text output. Here's a list of research for watermarking LLMs. https://github.com/hzy312/Awesome-LLM-Watermark?tab=readme-ov-file https://github.com/hzy312/Awesome-LLM-Watermark?tab=readme-o...