The best free AI courses and certificates for upskilling in 2026 - and I've tried them all

I've worked with AI for decades and have a master's degree in education. Here are the top free AI courses online that I recommend - and why.
IEEE

Model-Free End-to-End Deep Learning of Joint Geometric and Probabilistic Shaping for Optical Fiber Communication in IM/DD System

Abstract: The application of neural network (NN)-based autoencoders in end-to-end (E2E) optimized communication systems has significantly improved performance. Autoencoders offer automated ...
IEEE

Green Cell-Free Massive MIMO: An Optimization Embedded Deep Reinforcement Learning Approach

Abstract: Cell-free massive multiple-input multiple-output (MIMO) deploys a large number of distributed access points (APs) without cell edges, offering seamless connectivity with significantly ...

YouTube Now Has the Biggest ‘Sesame Street’ Free Library, With More Than 100 Full Episodes Available to Stream

YouTube has become the largest digital library for 'Sesame Street' content, including offering more than 100 full episodes to ...

DataCamp Pledges Free AI Training to One Million Teachers and Students Worldwide in 2026

Through the DataCamp Classrooms program, eligible teachers and students worldwide can register for free access to the entire DataCamp platform. This includes training in specific technology and tools ...