I think it is. It has been pretty clear that GPT-2 was approaching human-level, but not yet "near human-level" after https://www.skynettoday.com/editorials/humans-not-concentrat... . And ChatGPT is way past that point.

In fact, I'd argue it might already be superhuman in the same way the Ocean of Solaris could be. Think about it. The Ocean can't drive or do arithmetic either. It is never shown that it evolves over time.