DetectorsExplainer
Perplexity, Burstiness, and the Myth of the Machine Fingerprint
Every AI detector claims to see something in your writing. Here is what they are actually measuring — and why it was never a fingerprint to begin with.
Editor-in-chief · Detectors
Mara Okafor
Mara has spent a decade covering the strange places where software meets judgment. She reads model cards for fun and has never once trusted a confidence score.
3 stories by Mara
DetectorsAnalysis
Your Essay Isn’t a Robot. Neither Is the Constitution.
False positives aren’t a rounding error in AI detection. They are the predictable result of how detectors work — and the people they land on are not random.
DetectorsHistory
OpenAI Built a Detector, Then Quietly Turned It Off
In 2023, the company behind ChatGPT released its own AI text classifier. Six months later it was gone, citing a “low rate of accuracy.” The lesson still hasn’t sunk in.