Simulated students that make realistic mistakes help AI tutors learn faster

Technology · en

Simulated students that make realistic mistakes help AI tutors learn faster

The Decoder · Sep 20, 2026, 9:50 AM UTC

Microsoft and the University of Illinois built StudentSim to replicate individual students from limited data and give AI tutors fast, low-cost feedback. In tests covering 60 students across chess, English, and math, it outperformed GPT-5.4. A chess tutor trained with StudentSim also earned the highest expert ratings among three versions tested.…

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