Google, Microsoft, Harvard — free and certified.
Here are the 5 most credible, still-active AI courses as of 2026. No hunting for links required.
1. Google: GenAI Learning Path
Prepared by Google Cloud, this learning path covers everything from large language models to image generation. Completers receive an official Google badge.
What you'll learn:
- How large language models work
- Prompt design and optimization
- Image generation models
- Google Cloud AI services
Go to Google Course
2. Microsoft: AI Fundamentals
A globally recognized starting point that covers AI services on Azure and fundamental machine learning concepts. Integrates with Microsoft's global certification ecosystem.
What you'll learn:
- Machine learning fundamentals
- Computer vision and natural language processing
- Azure AI services
- Responsible AI principles
Go to Microsoft Course
3. Harvard: CS50 AI
Harvard's legendary CS50 series applied to artificial intelligence. Teaches modern AI algorithms in depth using Python. Academic quality, free access.
What you'll learn:
- Search algorithms and optimization
- Machine learning and neural networks
- Natural language processing
- Practical Python implementations
Go to Harvard Course
4. Elements of AI
A joint course by the University of Helsinki and Reaktor. Explains AI's logic and its place in society without drowning you in academic jargon. Available in multiple languages including Turkish.
What you'll learn:
- What AI is — and what it isn't
- The core logic behind machine learning
- AI's impact on daily life and society
- Ethics and future scenarios
Go to Elements of AI
5. IBM: AI for Everyone
No technical background required. Covers AI ethics, data science, and real-world business applications. Available free on Coursera via the "Audit" option.
What you'll learn:
- AI strategy and business applications
- Data science fundamentals
- AI ethics and bias
- Using AI in teams and organizations
Note: On the Coursera page, click "Audit" instead of "Enroll for Free." This gives full access to all content at no cost.
Go to IBM Course
Where to Start
No technical background: Elements of AI → IBM AI for Everyone
Want to cover the fundamentals: Microsoft AI Fundamentals → Google GenAI Learning Path
Ready to go deep technically: Harvard CS50 AI
All five are free, all offer certificates, and all are still active in 2026. The only requirement: an email address.