University of Toronto has always been in the list of top 10 institutes for artificial intelligence in the world. Forbes has ranked it 6th best University for AI and data science for 2021.

Major areas of study:

AI department at UofT gives priority to five major sub-areas:

• Computational linguistics and natural language processing
• Knowledge representation
• Cognitive Robotics
• Machine learning
• Computational vision

If your aim is to pursue majors in any of the above areas then you can never go wrong with University of Toronto.

Research aids:

• Being a research oriented Institute, University of Toronto has some popular research centers including CARTE, Vector institute, COHESA, SOSCIP, SAVI, CMTE. 
• These centres help students in doing collaborative projects with lead AI companies globally.
• Master students can also work under research scholars which will give them enormous exposure.

Professors and alumni:

• Geoffrey Hinton, popularly known as 'God father of AI' is a professor at University of Toronto who is even the chief scientist at Vector Institute. 
• Alex Krizhevsky(Post doc student)- Google scholar
• Hugo Larochelle (post-doc; Lead of Google brain in Montreal)
• Ilya Sutskever (PhD student, working at Google brain)
• Ryan Adams (Post-Doc, working at Harvard)

Artificial intelligence at University of Toronto definitely seems promising. When you can work/study under Geoffrey Hinton and his crew who are Titans in the AI field, it is an absolute win- win situation. But you are seeking the top University then Stanford, MIT and Carnegie Mellon University are definitely ahead of University of Toronto.