AI as a Service (AIaaS) is becoming increasingly important for businesses looking to implement robust AI solutions to remain competitive. With the top priority on AI, companies face challenges such as measuring value, skills shortages, and infrastructure incompatibility. One viable solution is to find appropriate third-party vendors offering cost-effective AIaaS platforms. These platforms offer scalability, productivity gains, enhanced automation, and cost-effectiveness. However, businesses must also consider factors such as data privacy issues, vendor lock-in, skills and knowledge gaps, and customization limitations when choosing the best AIaaS platform. Popular AIaaS providers include Encord, Amazon SageMaker, Google AIGoogle, Microsoft Azure, IBM Watson, Data Robot, and Alibaba Cloud. By selecting a suitable AIaaS platform, businesses can boost profitability and sustainability while minimizing the challenges associated with implementing AI solutions.