What are generative models?

A generative model is like a toy that can copy things it sees and make new ones from them.

Imagine you have a box full of different colored blocks. You show the box a red block, and then it makes another one just like it. But if you show it many red blocks, or even a pattern of blocks, it can start making its own patterns, maybe a row of red and blue blocks, or even a tower that looks like a building.

Think of the box as a generative model. It learns from examples, like when you show it different things, and then uses what it learned to create new ones. Just like how you might copy a drawing by looking at it closely, then add your own twist.

Sometimes, generative models are used to make drawings, music, or even stories. They look at lots of examples first, then start creating their own, just like how you learn to draw from copying pictures in a book, and then you can make up your own shapes and scenes.