0 :https://en.wikipedia.org/wiki/Foundation_universe#Solaria
And they don't seem to be interested in building real top quality UX or performance. Why would they, we buy it anyway. Nobody ever got fired for buying Microsoft.
That said, today the "machine brains" we're building are closer to the single cell side of the scale than the human side.
I like this analogy better because cells never went away -- they just self organized into something greater than their whole, and I'd imagine the same will be (is?) True with 'thinking machines' as well