depending on what you are using them for they are quite good for planning 3d operations. However the definition of "world models" is a bit nebulous. World labs

depending on what you are using them for they are quite good for planning 3d operations. However the definition of "world models" is a bit nebulous. World labs looks kinda like sprites in a 3d world. Which also leads me to suggest that in no way are they worth $1b, espcially as google are doing to destroy them (possibly meta, but I doubt they are going to be any good anytime soon)