If the product is presented as your own thoughts, words and ideas but they came from chatgpt, then you're a grifter and at the very least you've overrepresented your expertise. Whether it qualifies as plagiarism is just semantics.
I guess, for me, it would depend on how it was used, but almost all uses suggest plagiarism to me.<p>When you use chatgpt, is it your ideas, your words, your research?<p>Knowing how to google something foes not absolve you from plagiarism and neither does providing a nice prompt.