Pangram's AI detection has a false positive rate of 0.0041%, or 1 for every 24,000 instances

They estimate the FP rate of the last version of the tool (Pangram 4.0, launched recently) at 0.0041%, or 1 for every 24,000 instances.

https://www.thealgorithmicbridge.com/p/on-substack-pangram-partnership-its