This is also my own experience. In particular, ChatGPT has deeper knowledge on complex grammatical structures (like the 7 cases polish have) than I can expect f

This is also my own experience. In particular, ChatGPT has deeper knowledge on complex grammatical structures (like the 7 cases polish have) than I can expect from a regular tutor – my friend was not able to explain complex consonant clusters, while ChatGPT happily babbles out resources and explains just what I need for a particular case.