Jill Watson was developed at GaTech to support their OMSCS program, though I haven't heard any updates in a while. https://pe.gatech.edu/blog/meet-jill-watson-

Jill Watson was developed at GaTech to support their OMSCS program, though I haven't heard any updates in a while. https://pe.gatech.edu/blog/meet-jill-watson-georgia-techs-first-ai-teaching-assistant https://pe.gatech.edu/blog/meet-jill-watson-georgia-techs-fi... IIRC from my EdTech course, work is being done in this area but nothing to my knowledge at the "personalized instructor" level you're asking about here, with being able to explain concepts in simple terms and answer complex questions, but my experience predates GPT3 and the like.