Study anything, brilliantly.
Paste a topic or your messy notes. Lumen turns it into a clear explanation, ten flippable flashcards, and a five-question quiz — instantly.
Features
Three study modes, one input.
Lumen is a focused study companion — no chat threads, no setup. Just paste and learn.
Plain-English explanations
Streams a clear, structured walkthrough of your topic with headings, bullets, and key terms — readable as it generates.
10 flippable flashcards
Front-and-back study cards you can flip with a click or tap.
5-question quiz
Multiple-choice questions with instant scoring and per-question explanations.
Fast, free inference
Built on Groq for sub-second token streaming — no waiting around.
How it works
From notes to mastery in three steps.
Paste anything
A topic, a paragraph from your textbook, or your raw lecture notes — Lumen handles it.
Lumen reads it
An LLM distills the material into the simplest, most accurate version of itself.
Study three ways
Explain, flashcards, quiz. Switch between tabs at any time, regenerate when you want a fresh angle.
Workspace