While Nvidia and Microsoft dominate artificial intelligence (AI) headlines, the smartest opportunities might lurk in smaller companies solving specific problems with the tech. The education transformerNerdy (NRDY -1.51%) runs Varsity Tutors and an AI-powered Live + AI platform that scales tutoring and education services. The incident response acceleratorPagerDuty (PD -0.46%) is a DevOps and IT incident management platform used by thousands of enterprises. The data infrastructure playInnodata (INOD 2.86%) provides data engineering, content services, and AI training data sets for large enterprises and AI developers. The hidden gem portfolioThese 10 stocks won't compete with Nvidia for AI supremacy, but they don't need to.