Already is the differentiator even with the models we have now.
For all that the local models have improved (and Qwen 3.8 27b is still impressing me) they aren't what you can run if you have an entire data center stuffed with H200's.
All this does is further widen the divide we already know exists by those with access to resources using them to increase their access to resources and those without getting to watch because there isn't much they can do without resources.
You have your boiled potatoes/rice/beans (small local models), steak (Opus 5.5), wagyu (fable)
It would argue that the real winner in AI probably hasn't even been founded yet, but will come later once the trailblazers have created the market, and someone else enters with fresh ideas about how to more efficiently exploit the market.