The demand for Artificial Intelligence (AI) professionals is skyrocketing as the tech industry continues to evolve. A career in AI offers high salaries and the opportunity to work on groundbreaking technologies that can change the world. If you want to enter this lucrative field, here are the ten best free AI courses to build a strong foundation and advance your career in 2025.
Introduction to Artificial Intelligence (AI) by IBM
Platform: Coursera
Duration: 6 weeks
Level: Beginner
IBM’s course on Coursera offers a comprehensive introduction to AI. You’ll learn about the history of AI, the core concepts, and how AI is applied in various industries. The course includes practical exercises using IBM Watson.
Key Topics:
- AI concepts and terminology
- Machine learning basics
- Neural networks
- Use cases in different industries
Enroll in Introduction to AI by IBM
Machine Learning by Stanford University
Platform: Coursera
Duration: 11 weeks
Level: Intermediate
Taught by Andrew Ng, this course is one of the most popular AI courses available. It covers machine learning essentials, from basic algorithms to more advanced topics like neural networks and unsupervised learning.
Key Topics:
- Supervised learning
- Unsupervised learning
- Best practices in machine learning
- Bias/variance theory
Enroll in Machine Learning by Stanford
AI For Everyone by Andrew Ng
Platform: Coursera
Duration: 4 weeks
Level: Beginner
Another excellent course by Andrew Ng is designed for non-technical professionals. It explains what AI is, how it works, and how it can be used in business.
Key Topics:
- AI technologies and their impact
- AI terminology
- Implementing AI strategies in business
- Real-world applications
Elements of AI by the University of Helsinki
Platform: Independent
Duration: 6 weeks
Level: Beginner to Intermediate
This course aims to demystify AI and is open to anyone interested. It covers the basics of AI and machine learning and includes practical exercises to apply the concepts learned.
Key Topics:
- Basics of AI and machine learning
- Real-life AI applications
- Ethical implications of AI
- Building simple AI models
Deep Learning Specialization by DeepLearning.AI
Platform: Coursera
Duration: 3 months
Level: Intermediate to Advanced
It consists of five courses covering neural networks and deep learning. It’s ideal for those with a background in machine learning who want to explore AI further.
Key Topics:
- Neural networks
- Hyperparameter tuning
- Convolutional networks
- Sequence models
Enroll in Deep Learning Specialization
Introduction to TensorFlow for Artificial Intelligence, Machine Learning, and Deep Learning
Platform: Coursera
Duration: 4 weeks
Level: Intermediate
This Google Cloud course provides a comprehensive introduction to TensorFlow, a popular framework for building AI models. It’s ideal for those who want to learn how to develop AI applications.
Key Topics:
- TensorFlow basics
- Building AI models
- Training and deploying models
- Real-world AI applications
Enroll in Introduction to TensorFlow
CS50’s Introduction to Artificial Intelligence with Python by Harvard University
Platform: edX
Duration: 7 weeks
Level: Intermediate
This course, part of the popular CS50 series, teaches AI concepts and programming using Python. It’s perfect for those with some programming knowledge.
Key Topics:
- Search algorithms
- Knowledge representation
- Machine learning
- Neural networks
Google AI’s Machine Learning Crash Course
Platform: Google AI
Duration: 15 hours
Level: Beginner to Intermediate
Google’s crash course is a fast-paced introduction to machine learning, complete with exercises and real-world case studies. It’s a great starting point for beginners.
Key Topics:
- Introduction to machine learning
- Data preparation
- Model training
- Model evaluation
Applied AI with DeepLearning.AI
Platform: Coursera
Duration: 4 months
Level: Intermediate to Advanced
This specialization focuses on applying AI to real-world problems. It includes courses on building and deploying AI applications.
Key Topics:
- AI in practice
- Building AI applications
- Deploying AI solutions
- Case studies
Microsoft’s AI Classroom Series
Platform: Microsoft
Duration: Varies
Level: Beginner to Intermediate
Microsoft offers a series of AI classes that cover various topics, including AI basics, data science, and machine learning. These classes are designed to help professionals upskill in AI.
Key Topics:
- AI fundamentals
- Machine learning
- Data science
- AI development tools