There can be levels of AGI. Google DeepMind have proposed a framework that would classify ChatGPT as "Emerging AGI".
ChatGPT can solve problems that it was not explicitly trained to solve, across a vast number of problem domains.
https://arxiv.org/pdf/2311.02462
The paper is summarized here https://venturebeat.com/ai/here-is-how-far-we-are-to-achievi...