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Case study · EdTech / Consumer

AI Tutor Platform — AskFilo-Style Learning with AI Bots

A mobile-first AI tutoring platform in the AskFilo style — students snap a question, an AI bot parses it, and a subject-expert agent walks them through a step-by-step solution with optional voice interaction.

Client: EdTech startupDuration: 6 monthsTeam: 5 engineers
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Client
EdTech startup
Industry
EdTech / Consumer
Duration
6 months
Team size
5 engineers
01 / The Challenge
What EdTech startup was up against

AskFilo-style tutoring requires a tight stack: accurate OCR of handwritten or printed homework, subject-specialist reasoning (math, physics, biology, language), pedagogically-sound step-by-step explanation (not just the answer), plus a live-voice mode for follow-up questions. Doing this at consumer price points needs aggressive cost engineering without quality regression.

02 / The Solution
What we built

We built a tiered agent pipeline: an OCR + question-classifier front door (so a trig question routes to the math agent, a biology question to the biology agent), subject-tuned prompts backed by retrieval over a curated knowledge base, a solver that generates step-by-step explanations in the student's language, and a voice layer using our open-source TTS stack. A progress tracker remembers concepts the student struggles with and surfaces targeted practice.

03 / Outcomes

What shipped

~90%
Step-accuracy on benchmark set
~40%
Cost reduction vs naive single-model
6+
Subjects covered at launch
3
Languages: English, Hindi, Spanish
Stack we used
OpenAIClaudeVision modelsCustom OCRLangChainpgvectorReact NativePythonNode.js
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