Does anyone know if palantir has its own ai model? uses some online models? Old school artisan hand crafted only? What do big govs do when they get two complet

Does anyone know if palantir has its own ai model? uses some online models? Old school artisan hand crafted only? What do big govs do when they get two completely different incompatible interfaces overlapping on similar features? Besides the security of one failing allowing the hacking of the latter of course