Capstone 17 — Personal AI Tutor (Adaptive, Multimodal, with Memory)
Khanmigo (Khan Academy), Duolingo Max, Google LearnLM / Gemini for Education, Quizlet Q-Chat, and Synthesis Tutor all shipped adaptive multimodal tutoring at scale in 2026. The common shape is a Socratic policy (never just dump the answer), a learner model that updates after every interaction (Bayesian knowledge tracing style), voice + text + photo-math input, curriculum graph retrieval, spaced-repetition scheduling, and hard safety filters for age-appropriate content. The capstone is to ship a subject-specific tutor (K-12 algebra or intro Python), run a two-week efficacy study with 10 learners, and pass a content-safety audit.
This lesson isn’t interactive yet.
It is part of the curriculum and will get the same treatment as Phase 1 — a visual cover, hands-on labs, derivations with numeric checks and a quiz. Until then, the original lesson is the best place to read it:
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