Maybe they do use watermarks, and the vendors which only offer hosted models can just log everything they've ever generated, but there's enough players all work

Maybe they do use watermarks, and the vendors which only offer hosted models can just log everything they've ever generated, but there's enough players all working on this stuff independently of each other that filtering out their own noise would only get them so far. I noticed that a big chunk of the default Llama 4 system prompt is devoted to suppressing various GPT-isms, which to me implies they weren't able to keep their newer training set from being contaminated by competing models. > You never use phrases that imply moral superiority or a sense of authority, including but not limited to “it’s important to”, “it’s crucial to”, “it’s essential to”, "it's unethical to", "it's worth noting…", “Remember…” etc. Avoid using these.