Coursera vs Harvard CS50
Head-to-head comparison: courses, certificates, cost, and who each platform is best for.
No, CS50 is not on Coursera. Harvard's CS50 is free on edX (listed as CS50x) and directly at cs50.harvard.edu, with the same lectures, problem sets, and final project either way. Coursera does host other Harvard courses, in areas like data science and public health, but CS50 is not one of them. If you came looking for CS50, go straight to cs50.harvard.edu.
CS50x on edX has enrolled over 4.5 million learners since 2012, making it one of the highest-enrollment courses in MOOC history (source: cs50.harvard.edu/x).
Visual verdict
Coursera vs Harvard CS50, side by side
CS50 is not on Coursera. These are the free courses each platform actually offers, averaged across our catalog. Take CS50 free at cs50.harvard.edu or on edX.
Average course length (hours)
Average learner rating (out of 5)
Harvard CS50
Cost: Free, certificate included at cs50.harvard.edu
Coursera
Cost: Audit free; the certificate is paid
Side-by-Side Comparison
| Feature | Coursera | Harvard CS50 |
|---|---|---|
| Free to start | ||
| Issues certificates | ||
| Course count | 6 | 7 |
| Focus areas | All Topics Data Science Machine Learning | Computer Science Python C |
Coursera
Coursera partners with top universities and companies worldwide to offer online courses, specializations, and degrees. Many courses are free to audit. Certificates are available for purchase. Features courses from Google, IBM, Stanford, University of Michigan, and hundreds more.
Full Coursera review →Harvard CS50
CS50 is Harvard University's introduction to computer science — widely considered the best free programming course ever made. It's rigorous, engaging, and taught by David Malan. The course covers C, Python, SQL, JavaScript, and more. Free to audit; certificate available for a fee.
Full Harvard CS50 review →Frequently Asked Questions
Is CS50 available on Coursera?
No. CS50 is not on Coursera. Harvard offers CS50 free through edX (edx.org) and directly at cs50.harvard.edu. Coursera hosts other Harvard courses but CS50 is not one of them.
Is CS50 free to take?
Yes. CS50 is free through edX and cs50.harvard.edu. All lectures, problem sets, and materials are available at no cost. A verified certificate from edX costs around $149, but the course content is free.
Does Coursera have Harvard courses?
Yes. Coursera hosts Harvard courses in data science, computer science, and professional development. These are separate programs from CS50, which lives on edX.
Which is better for beginners, CS50 or a Coursera course?
CS50 is one of the best introductory programming courses online. It's demanding, project-heavy, and respected by employers. Coursera has thousands of courses at varying quality levels. If you're new to programming and want a clear, rigorous start, CS50 is the stronger choice.