The term "art paid" has no direct antonyms as it is a phrase rather than a single word. However, the individual words "art" and "paid" have several antonyms. The antonyms for "art" could be things like science, math, engineering, or technology - basically any non-creative field of study. On the other hand, the antonyms for "paid" could be things like unpaid, volunteer, pro-bono, or non-profit. As a phrase, "art paid" refers to paying someone for their artistic abilities, so an antonym for this could be something like "art donated" or "art given freely.