After distinguishing between the use of Artificial Intelligence as a tool for public entities to carry out purchasing procedures and the use of Artificial Intelligence as the object of such purchases, the paper focuses on the rationale and limitations of considering public procurement as a tool for regulation. It is believed that establishing a systemic interaction between the government's purchase of AI and the regulation of AI itself is crucial. This would aid in determining the regulations and the quality of outcomes associated with the use of AI systems in the public sector.