Hi aspirant, since both nanotechnology and AI both are the very new areas for new technologies it do have vast roots of branches which open doors to various career options.

Now coming on the AI it do possess careers in the fields of big data, robotics and Internet of things.

Whereas Nanotechnology possess careers In biotechnology, agriculture, food, genetics, space research, medicine etc.

So overall both have vast career option one can opt on behalf of their interests.

Thank You.