Right, but in principle the detectors could iterate and get better over time too. That's why I asked about "a ChatGPT detector" instead of "general AI detector", which is a very different problem.
>but in principle the detectors could iterate and get better over time too
At some point the text will become undetectable. The same happens for image generating Networks.
The detection works by detecting a statistical discrepancy between the AI output and "real" data. The goal of the AI in training is also to close that gap, the better the network, the harder it is to detect and the more output data you would need to get any significant results.
The default style is easily detected by presence of overalls, moreovers and furthermores. When you tell it to do a ‘concise HN comment’ the only tell may be that its English is flawless. E.g.
In a style of a very concise HN comment describe how to detect that a text has been written by the Assistant.
To detect if a text has been written by the Assistant, check for the use of generic language, repetitive phrases, and a lack of personal perspective or opinion.