That is part of it but the other (often implied) part is it can do general things consistently at a high level.

GPT6 will attempt to do almost any problem you can give it in text or image format and it will actually do a decent job a lot of the time. But its performance is still extremely spiky and it still makes basic mistakes and hallucinations.

So it's definitely a general artificial intelligence in some sense but it's kind of a weird one compared to the classic scifi idea