AI Tutoring Systems Achieving Instructional Parity
#1Carnegie Learning's MATHia platform has produced statistically significant learning gains over control conditions in multiple randomized controlled trials published in peer-reviewed journals, with effect sizes of 0.2-0.4 — comparable to or exceeding the effect of moving from an average teacher to a good one. Synthesis AI, originally built for SpaceX employees' children, reports 2x acceleration in math problem-solving ability versus traditional instruction based on internal outcome data. Khan Academy's Khanmigo is now used by over 10 million students and teachers, with Sal Khan publicly stating that one-on-one AI tutoring now delivers what only the best human tutors previously could. A 2024 MIT study found students using GPT-4 tutoring learned problem-solving skills faster than control groups — though with concerning retention gaps when AI was removed.