Career guides by Science of Apps for 2027 · Free Python

Free Python
certifications worth it

The best free Python certifications for 2027 are Harvard's CS50 and CS50's Introduction to AI with Python, freeCodeCamp's Scientific Computing and Data Analysis with Python certifications, Kaggle Learn's Python course and Microsoft Learn's free Python modules. Most include free certificates; PCEP is the paid exam-based option.

By , FounderUpdated 3 min read

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Quick answer: Which Python certifications are free in 2027?

  1. Foundations — Harvard CS50.
  2. Projects — freeCodeCamp Python.
  3. Quick start — Kaggle Learn Python.
  4. AI — CS50 AI.

Key takeaways

  • Python is fully learnable for free, with real certificates.
  • Pick one free course and finish it before starting another.
  • Build one small project you can explain in an interview.

Python may be the best-supported language for free learning. Harvard, freeCodeCamp, Kaggle and Microsoft all teach it free, and most give free certificates. These five are the strongest.

Which Python certifications are free in 2027? At a glance: Foundations; Projects; Quick start; AI.
At a glance: Which Python certifications are free in 2027?

Five free Python options

All five are free; CS50 and CS50 AI offer optional paid verified certificates. Checked 3 November 2026.

Free Python certifications in 2027: issuer, cost and format from official pages (costs as of November 2026)
#CertificationCostTimeProve it free
1CS50: Introduction to Computer ScienceHarvard UniversityFree1Self-pacedFree test
2freeCodeCamp CertificationsfreeCodeCampFree2Self-pacedFree test
3Kaggle Learn Micro-Courses (ML, Python, SQL)Kaggle (Google)Free3Short micro-courses, a few hours eachFree test
4CS50's Introduction to AI with PythonHarvard UniversityFree4Self-pacedFree test
5Microsoft Learn Free AI & Cloud TrainingMicrosoftFree5Self-pacedFree test

Prove it free before you pay for an exam

Science of Apps · free certification tests

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.)

Each free option, and what it builds

  1. Harvard UniversityCS50: Introduction to Computer ScienceFoundations, free certificateFree
  2. freeCodeCampfreeCodeCamp CertificationsProject-based, freeFree
  3. KaggleKaggle Learn Micro-Courses (ML, Python, SQL)Quickest start, freeFree

Harvard University · BeginnerTop pick for 2027

CS50: Introduction to Computer Science

Cost
Free1

Harvard's free introduction to computer science, with Python and SQL weeks and a free certificate. Harvard's free introduction to computer science teaches C, Python, SQL and web development through demanding problem sets, with a free certificate. An optional paid verified certificate is available through edX.

Best forfoundations, free certificate

freeCodeCamp · Beginner–Intermediate

freeCodeCamp Certifications

Cost
Free2

Free Python certifications earned by building projects that pass automated tests. freeCodeCamp's free certifications in web design, JavaScript, Python, data analysis and more are earned by building projects that must pass automated tests. The projects make useful portfolio pieces.

Best forproject-based, free

Kaggle (Google) · Beginner

Kaggle Learn Micro-Courses (ML, Python, SQL)

Cost
Free3
Time
Short micro-courses, a few hours each

A short, free Python course with a certificate, the quickest way to start. Kaggle's free micro-courses cover Python, pandas, SQL, data visualisation and machine learning, each in a few hours with hands-on notebooks and a free certificate. They're ideal practice alongside a structured course.

Best forquickest start, free

Harvard University · Intermediate

CS50's Introduction to AI with Python

Cost
Free4

Harvard's free AI course in Python, for learners who already know the basics. Harvard's free course teaches AI with Python through projects: search, optimisation, machine learning, neural networks and language. It assumes some Python and offers an optional paid verified certificate through edX.

Best forPython for AI, free

Microsoft · All levels

Microsoft Learn Free AI & Cloud Training

Cost
Free5

Free Python modules on Microsoft Learn, with in-browser practice. Microsoft Learn's free learning paths and sandboxes cover every Microsoft certification, from Azure and AI to Power BI. The training is free; only the certification exams are paid, and they're priced by country.

Best forfree Python modules

A free 12-week Python plan

Diagram of 4 steps for a free 12-week python plan: 1. Weeks 1–2; 2. Weeks 3–8; 3. Weeks 9–11; 4. Week 12.
A free 12-week Python plan
  1. Weeks 1–2 — Kaggle Learn Python.
  2. Weeks 3–8 — CS50 weeks with Python and SQL.
  3. Weeks 9–11 — freeCodeCamp Python projects.
  4. Week 12 — take Science of Apps' free Python test and publish your projects.

How we ranked these picks

We listed only training free on the issuer's site as of 3 November 2026, prioritising free certificates. Five options, not padded.

Frequently asked questions

Is there a free Python certification?

Yes. CS50, freeCodeCamp and Kaggle Learn all give free certificates.

Is PCEP free?

No. PCEP is a paid exam from the Python Institute.

Which free Python course is best for beginners?

Kaggle Learn for a quick start, or CS50 for deeper foundations.

Can free Python certificates get me a job?

With projects, yes for some entry roles. Employers look at your code most.

Is there a free Python test?

Yes. Science of Apps offers free Python tests with instant results and a verifiable certificate.

Sources

  1. Harvard University — CS50: Introduction to Computer Science, official page (checked 3 Nov 2026)
  2. freeCodeCamp — freeCodeCamp Certifications, official page (checked 3 Nov 2026)
  3. Kaggle (Google) — Kaggle Learn Micro-Courses (ML, Python, SQL), official page (checked 3 Nov 2026)
  4. Harvard University — CS50's Introduction to AI with Python, official page (checked 3 Nov 2026)
  5. Microsoft — Microsoft Learn Free AI & Cloud Training, official page (checked 3 Nov 2026)
  6. Checked November 4, 2026. Figures that change — fees, salaries, prices — are reviewed every six months; if something is out of date, tell us.
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