README.md

---

license: mit
task_categories:
- multiple-choice
- question-answering
language:
- en
tags:
- stem
- mcq-solver
- flan-t5
- minilm
---


# Smart MCQ Solver Challenge

This repository contains the machine learning pipeline and model solution for the **Smart MCQ Solver Challenge**.

## Models Included
1. **Model 1 (Scratch)**: GBDT trained on TF-IDF lexical features
2. **Model 2 (Pretrained)**: `google/flan-t5-large` (770M) zero-shot token probability ranker
3. **Model 3 (Ensemble)**: Soft-voting blend of `google/flan-t5-large` and `sentence-transformers/all-MiniLM-L6-v2` (22M)

## Usage
Run `app.py` or `smart_mcq_solver_complete.ipynb` to execute predictions.