For anyone interested in obtaining access to Khanmigo, the AI tutor utilizing ChatGPT-4,  please visit this page. 

I could try to explain Khan Academy...

...But these videos explain it better than I could. 

Video 1 "Khan Academy: The future of education?":

Video 2 "Salman Khan TED Talk 2011 (from ted.com)":

Video 3 "Let's teach for mastery -- not test scores | Sal Khan":

Video 4 "How AI Could Save (Not Destroy) Education | Sal Khan":