AI study companion

Prachiti Rakte — Fri, 20 Mar 2026 12:46:43 +0000

“Why did it explain that concept differently this time?” I checked the logs and realized our study companion had pulled my past confusion from Hindsight—and rewrote its explanation to avoid the exact mistake I struggled with earlier.

What I Actually Built

At first glance, this project looks like a typical AI-powered study website:

A frontend where users can ask questions, upload problems, or take quizzes

A backend (Flask-based) that processes requests and generates responses

Some basic logic for explanations, quizzes, and feedback

Pretty standard.

But the actual goal wasn’t just to build a chatbot that answers questions. I wanted to build something closer to a study companion—something that remembers how you learn, what you get wrong, and how you improve over time.

The system has three main parts:

Interaction layer: handles questions, answers, and quizzes

Learning tracker: records what the user got right/wrong

Memory layer (Hindsight): stores and retrieves past learning behavior

That last piece—memory—is where everything changed.

The Problem With “Smart” Study Tools

Most AI study tools feel impressive for about 10 minutes.

They can:

Explain concepts

Solve problems

Generate quizzes

But they forget everything.

Ask the same question twice, and you get the same explanation—even if you didn’t understand it the first time. Get a question wrong, and the system doesn’t care the next time.

DEV Community: Prachiti Rakte

AI study companion