Time-cost for machines instead of willing knowledgeable humans. The former requires money, the latter requires passion.
Arguably, passion for a project is without price.
Humans have time-cost too, much higher than machines. Considering SOTA right now, for a project like this it would make more sense for the community to contribute and verify tests, sponsor updates with $.
Someone pays for the AI? That's the new human maintainer.
Humans have time-cost too, much higher than machines. Considering SOTA right now, for a project like this it would make more sense for the community to contribute and verify tests, sponsor updates with $.