Khanmigo, Khan Academy’s GPT-4 Socratic tutor, guides a 7th grader through world history. The student encounters “civilization.” Instead of generating a definition that might be wrong or off-level, Khanmigo fetches a verified, age-calibrated definition from Word Orb — then a structured lesson to teach the word in historical context, and a quiz to verify the student understood. The fact base is deterministic. The Socratic interaction is Khanmigo’s job.
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Word Orb looks up the word
One API call returns a verified definition, 47 translations, pronunciation audio, and etymology.
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Lesson Orb delivers a structured lesson
A 5-phase lesson with the scientist teaching archetype.
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Quiz Orb assesses comprehension
Interactive assessment aligned to the lesson. Try it yourself.
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The Knowledge Graph connects everything
30,526 connections link words to lessons to assessments.
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Why this matters for Khan Academy
Age-calibrated definitions (kid, teen, adult, elder) give Khanmigo reading-level-appropriate content to cite — not generate
47-language translations support Khanmigo’s global expansion to India, Spanish-speaking markets, and the free-for-teachers initiative backed by Microsoft Azure
5-phase lesson model (hook → story → wonder → action → wisdom) maps directly to structured classroom instruction — complements Khanmigo’s Socratic dialogue
Image upload tutoring: student photographs a word, Khanmigo fetches the verified definition from Orb instead of generating one — 162,253 words across all K-12 subjects