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Codecademy locks certificates and most courses behind its Pro paywall. Compare FreeAcademy vs Codecademy free tier — interactive playgrounds, certificates, and full course access, all free.

Coursera certificates cost $49-99+. Discover the best free alternatives for online course certificates in 2026, including FreeAcademy.ai, freeCodeCamp, MIT OpenCourseWare, Khan Academy, and The Odin Project.
Compare the 11 best free AI certifications in 2026 — from Google, Microsoft, IBM, and FreeAcademy.ai. Includes a comparison table with time, issuer, and recognition level to help you choose.