It is paywalled, if the NYT detects from your browser cookie that you have already consumed all of your free articles for the month.
But some ad blockers, like Brave's "Shields" feature, manage to block NYT's tracking so that every article appears as if it is the first article you read this month.
Brave is such a great browser, it’s one of the few software products that makes me feel really happy when I use it
Doesn't manage to block it on Android. Its a bit of a bummer, really.