A port is mostly likely at some point but I don't think falls until Sony's first party porting jurisdiction.
Under what metrics tho
The official game credits for Stellar Blade released on PlayStation 5 in 2024. The credits include 1,151 people.
www.mobygames.com
I look at this and I see XDEV JP, PS Studios Global, SIE Creative Arts, localisation, business operations, technology services, user research, QA, test services, global marketing, publishing operations, etc. All from SIE.
Credits for Horizon Forbidden West and Spider-Man 2 are pretty much like this.