Harvard University · on edX
Free to learn; some parts paid, duration not stated, intermediate, free certificate. Last verified 3 Oct 2026.
Best for students and developers who've done CS50x or have a year of Python and want rigorous foundations, from search and uncertainty to neural networks and language models. You can take it free via OpenCourseWare with a free CS50 certificate, which is unusual at this depth. The edX verified certificate is paid, and hours aren't stated beyond seven weeks. To go straight into modern deep learning, try Practical Deep Learning for Coders from fast.ai.
Jake Boland, editor
HarvardX course over seven weeks covering search, knowledge, uncertainty, optimisation, learning, neural networks and language models, with Python projects.
Developers and engineers, Students and career changers.
CS50x or at least one year of Python experience
Free to learn. Some parts paid. Free via OpenCourseWare with free CS50 certificate; edX verified certificate is paid.
Certificate: Free CS50 certificate; paid edX verified certificate; Harvard Extension credit options.
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