Here are the top 10 free platforms for learning artificial intelligence:

1. Coursera: Coursera offers a wide range of AI courses from top universities and institutions. While some courses require payment for a certificate, auditing the courses for free is still an option.

2. edX: Similar to Coursera, edX provides free AI courses from renowned universities like MIT, Stanford, and Harvard. You can access course materials and lectures at no cost.

3. Stanford University's CS229: Stanford offers its famous machine learning course CS229 online for free. The course provides in-depth knowledge about machine learning algorithms and techniques.

4. MIT OpenCourseWare: MIT OpenCourseWare offers free access to course materials from various disciplines, including artificial intelligence. You can find lecture notes, assignments, and exams from past AI courses.

5. TensorFlow: TensorFlow, an open-source machine learning framework, offers extensive documentation and tutorials for learning AI. They provide hands-on exercises and examples to help you get started with deep learning.

6. Kaggle: Kaggle is a platform for data science and machine learning enthusiasts. It hosts competitions, provides datasets, and offers tutorials for learning AI. You can learn from others' code and participate in coding challenges.

7. provides practical courses on deep learning, making AI more accessible. Their courses emphasize hands-on coding and real-world applications of AI.

8. Google AI Education: Google offers a range of free resources and courses through its AI Education platform. It includes tutorials, videos, and documentation for learning AI concepts and tools.

9. Microsoft AI School: Microsoft AI School provides free learning resources, including tutorials, videos, and documentation, to help you learn about AI and machine learning using Microsoft technologies.

10. YouTube: YouTube hosts numerous AI-related channels and playlists that offer tutorials, lectures, and demonstrations. Channels like Sentdex, Two Minute Papers, and Siraj Raval provide valuable AI content.

Remember to explore these platforms, choose courses or resources that suit your learning style, and practice hands-on coding to reinforce your understanding of artificial intelligence concepts.