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

The document highlights LinkedIn Learning’s extensive catalog of AI courses (over 1,500), pricing model (free trial then $39.99/month), and potential institutional access, alongside a personal testimonial praising the “Machine Learning with Python: Foundations” course by Prof. Frederick Nwanganga. It notes the platform’s strong instructor quality, practical learning outcomes, and mentions that LinkedIn Learning has awarded nearly 500K professional certificates in the past 2.5 years, with generative AI among the top topics, while encouraging readers to check for employer or school-sponsored memberships or consider annual billing for savings.