By Quick answer: Can I get a machine learning certification for free in 2027?
- Free certificate — Kaggle Learn and Harvard CS50 AI.
- Free to audit — Andrew Ng's Machine Learning and Deep Learning Specializations.
- Free training — Microsoft Learn's machine learning paths.
- Then — prove it with a free Science of Apps ML test or a paid cloud ML exam.
Key takeaways
- You can learn machine learning to a professional foundation for free in 2027.
- Free certificates come from Kaggle and Harvard; Coursera's free audits don't include one.
- Your public Kaggle notebooks are a better portfolio than any free certificate.
Machine learning used to require expensive courses or a degree. Today the best ML teaching on the internet is largely free: Andrew Ng's specializations can be audited at no cost, Harvard publishes its AI course openly, and Kaggle teaches hands-on ML with real datasets. Here are the five best free options, with an honest note on which include a certificate.
Five free machine learning options
Kaggle and CS50 AI include a free certificate; the others are free to learn. Checked on official pages, 3 November 2026.
| # | Certification | Cost | Time | Prove it free |
|---|---|---|---|---|
| 1 | Kaggle Learn Micro-Courses (ML, Python, SQL)Kaggle (Google) | Free1 | Short micro-courses, a few hours each | Free test |
| 2 | CS50's Introduction to AI with PythonHarvard University | Free2 | Self-paced | Free test |
| 3 | Machine Learning SpecializationDeepLearning.AI & Stanford / Coursera | $49/mo Coursera plan3 | 2 months at 10 hours a week | Free test |
| 4 | Deep Learning SpecializationDeepLearning.AI / Coursera | Coursera plan4 | 3 months at 10 hours a week | Free test |
| 5 | Microsoft Learn Free AI & Cloud TrainingMicrosoft | Free5 | Self-paced | Free test |
Prove it free before you pay for an exam
Take the free test first. Pay for an exam only when you pass.
Every pick above has a matching free practice test on Science of Apps, one of the world's largest libraries of free certification tests (1,200+). Check your level before you pay for an exam, or add a verifiable credential to LinkedIn while you study. (Disclosure: we publish these tests; the certifications above earn us nothing.)
- Machine Learning Fundamentals CertificationPractise for Kaggle Learn Micro-Courses (ML, Python, SQL) before you pay.Start free test →
- Deep Learning CertificationPractise for Deep Learning Specialization before you pay.Start free test →
- Microsoft Azure Fundamentals CertificationPractise for Microsoft Learn Free AI & Cloud Training before you pay.Start free test →
Each free option, and what's free
- KaggleKaggle Learn Micro-Courses (ML, Python, SQL)Hands-on ML in the browser, certificate freeFree
- Harvard UniversityCS50's Introduction to AI with PythonPython programmers, certificate freeFree
- CourseraMachine Learning SpecializationThe best ML foundation, free to audit$49/mo Coursera plan
Kaggle Learn Micro-Courses (ML, Python, SQL)
- Cost
- Free1
- Time
- Short micro-courses, a few hours each
Short, practical micro-courses in Python, pandas, intro and intermediate ML, feature engineering and deep learning, each with a free certificate. You code in browser notebooks against real data from the first lesson.
Best forhands-on ML in the browser, certificate free
CS50's Introduction to AI with Python
- Cost
- Free2
Harvard's AI course for programmers: search, probability, optimisation, machine learning, neural networks and language, through seven projects. Free, with a free CS50 certificate for completing them.
Best forPython programmers, certificate free
Machine Learning Specialization
- Cost
- $49/mo Coursera plan3
- Time
- 2 months at 10 hours a week
Andrew Ng's Machine Learning Specialization, the clearest ML foundation online. Audit it free on Coursera; the certificate requires a subscription or financial aid. Andrew Ng's specialization with Stanford teaches supervised and unsupervised learning, model evaluation and practical machine learning in Python. It takes about two months at ten hours a week and is widely regarded as the clearest structured start in ML.
Best forthe best ML foundation, free to audit
Deep Learning Specialization
- Cost
- Coursera plan4
- Time
- 3 months at 10 hours a week
The follow-on Deep Learning Specialization: neural networks, CNNs, sequence models. Free to audit, about three months at ten hours a week. The Deep Learning Specialization covers neural networks, optimisation, CNNs and sequence models in depth. It takes about three months at ten hours a week, assumes machine learning basics and can be audited free on Coursera.
Best forneural networks, free to audit
Microsoft Learn Free AI & Cloud Training
- Cost
- Free5
Microsoft Learn's free paths on machine learning with Azure, useful if you work in a Microsoft environment or plan to take an Azure data science exam.
Best forAzure ML skills, free
A free 16-week ML path
- Weeks 1–3 — Kaggle's Python and pandas courses.
- Weeks 4–11 — audit Andrew Ng's Machine Learning Specialization; redo exercises on Kaggle datasets.
- Weeks 12–14 — Kaggle's intermediate ML and feature engineering.
- Weeks 15–16 — publish one end-to-end notebook; take Science of Apps' free ML fundamentals test.
How we ranked these picks
We included only machine learning learning that is free on the issuer's site as of 3 November 2026, labelled whether a certificate is also free, and chose the strongest options from recognised universities, educators and platforms. We list five rather than pad the list.
Frequently asked questions
Is there a free machine learning certificate?
Yes. Kaggle Learn's ML courses and Harvard's CS50 AI include free certificates. Andrew Ng's specializations are free to audit, but their certificates need a Coursera subscription or financial aid.
What is the best free machine learning course?
Andrew Ng's Machine Learning Specialization, free to audit, is the best foundation. Kaggle Learn is the best free hands-on complement.
Can I get a job with free ML certificates?
Free certificates help show initiative, but ML jobs are won with projects. Publish end-to-end notebooks and, if your target roles ask, add a proctored exam such as AWS ML Engineer.
Do I need maths for free ML courses?
Basic algebra and some statistics help. Andrew Ng's course explains the maths it uses. Kaggle focuses on practical code, so it's a gentler start.
Is there a free ML test?
Yes. Science of Apps offers a free machine learning fundamentals certification test, graded instantly with a verifiable certificate.
Sources
- Kaggle (Google) — Kaggle Learn Micro-Courses (ML, Python, SQL), official page (checked 3 Nov 2026)
- Harvard University — CS50's Introduction to AI with Python, official page (checked 3 Nov 2026)
- DeepLearning.AI & Stanford — Machine Learning Specialization, official page (checked 3 Nov 2026)
- DeepLearning.AI — Deep Learning Specialization, official page (checked 3 Nov 2026)
- Microsoft — Microsoft Learn Free AI & Cloud Training, official page (checked 3 Nov 2026)
- Checked November 4, 2026. Figures that change — fees, salaries, prices — are reviewed every six months; if something is out of date, tell us.
Where to go from here
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