OpenAI has developed technology to reliably detect AI-generated text, according to inside sources and documents reported by the Wall Street Journal. However, the company is reluctant to release it, likely due to concerns about its own business model.
A routine that just returns “yes” will also detect all AI. It would just have an abnormally high false positive rate.
My model has 100% recall and 50% precision, not bad eh?
But - that model would not have 99.9% accuracy.