FairTutor: Equity-Aware Pedagogical LLM Routing for Budget-Constrained AI Tutoring

FairTutor is a new equity-aware model-routing framework designed to provide cost-effective AI tutoring by orchestrating multiple agents based on pedagogical principles. It incorporates query analysis, low-cost model generation, and selective escalation to premium models, achieving 97.1% of the pedagogical quality of premium services while reducing costs by 71.6%. This framework introduces the AIED Advantage Gap metric and the TutorAccessEval benchmark, offering practitioners a method to tailor AI tutoring solutions to diverse student needs while addressing educational inequities.