See, for instance: https://news.ycombinator.com/item?id=49182996 by Kenton Varda

Also, not mentioned in my post:

- Mitchell Hashimoto

- Prime Intellect (and all their agent experiments)

- Geoff Huntley (see Jiti, for instance)

(many more)

There's a ton of interesting software being developed with these models by people outside the in group, but I find most of the software from these big guys to be ... bland. Buggy copies of copies.