OpenAI has had a system for watermarking ChatGPT-created text and a tool to detect the watermark ready for about a year, reports The Wall Street Journal. But the company is divided internally over whether to release it. On one hand, it seems like the responsible thing to do; on the other, it could hurt its bottom line.

OpenAI’s watermarking is described as adjusting how the model predicts the most likely words and phrases that will follow previous ones, creating a detectable pattern….