At the time being, the vast vast majority of those agents are all trained on the same or similar training set (the Internet and books). Which makes them mostly all the same. Vastly less diverse than the way one complex lifeform hatches out of the egg vs another.
So 1 billion mostly redundant agents at most. Well there are 40 quadrillion ants on the planet and 5 trillion are born every day. Each one its own “agent” , ingesting different inputs and being its own complex sum greater than its parts.
And that’s just ants.
I read it in that high pitched British accent that goes up into falsetto