Nobody expected this—not even its creators: ChatGPT has burst onto the scene as an AI capable of writing at a convincingly human level. But how does it really work? What's going on inside its "AI mind"? In this short book, prominent scientist and computation pioneer Stephen Wolfram provides a readable and engaging explanation that draws on his decades-long unique experience at the frontiers of science and technology. Find out how the success of ChatGPT brings together the latest neural net technology with foundational questions about language and human thought posed by Aristotle more than two thousand years ago. Contents
What Is ChatGPT Doing ... and Why Does It Work?
It's Just Adding One Word at a Time
Where Do the Probabilities Come From?
What Is a Model?
Models for Human-Like Tasks
Machine Learning, and the Training of Neural Nets
The Practice and Lore of Neural Net Training
"Surely a Network That's Big Enough Can Do Anything!"
The Concept of Embeddings
The Training of ChatGPT
Beyond Basic Training
What Really Lets ChatGPT Work?
Meaning Space and Semantic Laws of Motion
Semantic Grammar and the Power of Computational Language
So ... What Is ChatGPT Doing, and Why Does It Work?
Wolfram|Alpha as the Way to Bring Computational Knowledge Superpowers to ChatGPT
ChatGPT and Wolfram|Alpha
A Basic Example
A Few More Examples
The Path Forward
Additional Resources Related Topics