‘World models’ are AI’s latest sensation: what are they and what can they do?
- Apr 29
- 1 min read
NATURE — There are several different definitions of what a world model is. In the broadest sense, any neural network trained on data about the real world (or even about some alternative universe) has some sort of model of a world embedded in it.
But over the past two years or so, many researchers have begun to use the term to describe AI that can produce a consistent, explorable and often interactive world that is reminiscent of a first-person video game. A world model has to ‘know’ enough about physics that if the user pushes an object off a table then the object will fall down.
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