I really think that ChatGPT is harvesting info from the internet. Yes that requires tremendous computing power but advancements in “conventional” computers have been tremendous this century.
When quantum computers become the norm, the sky is the limit for processing the bewildering amount of information that’s being generated by 8 billion humans and their AI assistants.
The human brain is thought by some to be a quantum computer. When AI can mimic our ability to process information, we can expect General AI and even Super AI to emerge quickly.
It's definitely harvesting from a nearly incomprehensibly large data set. Either someone secretly cracked quantum computing or one of those listed companies years ago partners or created this product.
Granted I am no guru so I am certainly curious there are other options. I just don't see them