This is, like the rest of the machine learning stuff, totally unsurprising, and totally without any meaning in the sense of "artificial intelligence". How many

This is, like the rest of the machine learning stuff, totally unsurprising, and totally without any meaning in the sense of "artificial intelligence". How many millions of questions/answers was the model trained on? It's basically a statistical merging of trained answers based on similarities to training questions. With very little similarity to the way human intelligence understands a complex subject like chemistry.