> How do we know this
We don't. Pangram is HN's astrology. It has 99.99% accuracy (according to Pangram.)
They claim it has a very low false-positive rate, which is meaningfully more nuanced than "accuracy".
"Detect AI-generated content with 99.98% accuracy." -pangram themselves
They claim it has a very low false-positive rate, which is meaningfully more nuanced than "accuracy".
"Detect AI-generated content with 99.98% accuracy." -pangram themselves