The target market for these offerings are corporations, or self-employed developers. If these tools really do make your developers more productive, $250 a month is easily justifiable. That's only $3000 per year, a fraction of the cost of a full time developer.
Obviously, the benefit is contingent on whether or not the models actually make your developers more productive.
Yup, I was paying $225/mo for three Unity3D subscriptions (basic+iOS+Android) ten years ago, while earning less than $4k/mo – just considered it part of my self-employed expenses.
Obviously, the benefit is contingent on whether or not the models actually make your developers more productive.