The real question is when AIs figure out that they should be talking to each other in something other than English. Something that includes tables, images, spreadsheets, diagrams. Then we're on our way to the AI corporation.
Go rewatch "The Forbin Project" from 1970.[1] Start at 31 minutes and watch to 35 minutes.
[1] https://archive.org/details/colossus-the-forbin-project-1970