Glaux
A reading companion in your space, aware of what you're reading, and there to help you understand it.
An AI book reader for deeply understanding books
Not just an AI tutor — a reading space
The best of reading happens in your head, and disappears
Questions, mental diagrams, the connections you make when deeply engaged with a book, Meletium gives them ground. Upload a text and watch the space between you and the book take shape.
Meletium demo — transcript
The demo opens on an empty Meletium reading space prompting you to select a document. A book is uploaded as a PDF through the Library and Meletium processes the book by extracting metadata, analyzing its contents and structure, building indices and a concept graph. With the book open in the Book tab, its pages render on the left and Glaux the reading companion in a chat on the right. The reader asks a question and Glaux answers with a citation to a page. The user clicks the citation and the cited page is automatically shown on the Book tab. The user highlights some term on the page and asks a question referring to that text, and Glaux correctly answers. Glaux is fully aware of what the user reads.
Introduction to Algorithms
Question 1
Question 2
1.
2.
3.
What is the computational complexity of the algorithm given here?
This algorithm runs in polynomial time. We can see this in page 51 where it is proven that the bound is O(n³), where n = |E| and Q is the time to test independence in one graph.
How does this chapter connect to what I learned earlier?
This chapter builds on the Greedy Algorithms section. I've highlighted the related concepts in the graph so you can trace the dependencies.
Create some easy exercises with their solutions for the material covered in pages 10-20. They should be computational in nature.
Exercises with solutions created! you can see them in the Exercises tab titled Graphs and Matrices.
Quiz me on this chapter so I can check what I've understood.
Here's a short test on the key ideas. Pick an answer for each question and I'll grade it instantly.
Can you draw the function for the example 4 in page 56?
I have drawn the function for example 4 in page 56. Its a parabola symmetric about the y-axis.
Ask Glaux about this...
Grounded in your text
Natively multilingual
Built for understanding, not summaries
Features
What your reading space is made of
Reading Mode
Just you and the book, only reading. Full screen with no distractions. You can always invoke Glaux.
Graph
An interactive map of the book's chapters, sections, and concepts. Explore the structure and see the connections.
Exercises
Create customized exercise sets generated from the book. Typeset, printable, with worked accurate solutions.
Quizzes
Auto-graded with instant feedback. Every question traces to a page; see exactly what tripped you up.
Board
A board that both you and Glaux can use to draw. Editable visual explanations for anything where text isn't enough.
Under the hood
Native multilingual
Pick the language of the app and the spoken language of each book separately. Discuss an English textbook in Spanish — key terms always appear in both languages.
Σ
Book-quality math
Every formula renders the way a textbook prints it. Inline equations in chat, multi-line derivations in exercises, integrals and matrices in solutions — all perfectly typeset.
Mobile friendly
Read in bed, ask on the bus, review before class. The reading space, the chat, and the board all adapt to small screens. Your library travels with you.
Exact page referencing
Click any citation and land on the exact page. Glaux grounds every response in the document's own pagination. No hallucinated references.
Structured problem solving
Glaux plans before it answers. For a hard problem it pulls the relevant theory and pages, then reasons through each step. A solution you can follow, not one you have to trust.
Two parsing models
Two ways to bring a book into your library. The premium parser is fast and near-perfect; the basic is slower and rougher but uses a fraction of the units.
Use cases
Ways Glaux meets you where you are
01
Accurate solutions to problems
Ask Glaux to solve an exercise. It will search and gather the relevant material from the book and provide the reasoning for the solution. Not generic inaccurate answers.
Try with your document 02
Draw on demand
Many concepts are best suited to be explained visually. Ask Glaux to draw on the Board and modify the result if needed.
Try with your document 03
Explore the book's concepts
A book can have many interconnected concepts spread throughout its chapters. Navigate them easily and find connections using the concept graph.
Try with your document 04
Understand in your language
Glaux is natively multilingual. Ask questions and get explanations in your own language with the original terms mentioned, whatever language the book is written in.
Try with your documentMeet Glaux, a reading companion who answers questions, knows what you see and helps you create your space.
Glaux won't do the thinking for you. It doesn't lecture, it doesn't lead, it doesn't decide what you should learn next. Glaux is a companion always present in your reading space, aware of what's in front of you, ready when you need it.
You're on page 47 and Glaux knows it. You open a drawing and Glaux sees it. Ask for changes and it edits them in place. You highlight a passage and ask "what does this mean?", the answer is grounded in exactly what you're looking at. The conversation is always where you are.
And through all of this, Glaux stays faithful to the text. The author's words. Their reasoning. If the answer isn't in the document, Glaux says so. If you're confused, it slows down. If you don't understand a concept, it walks you through it step by step from first principles. The understanding is always yours. Glaux just makes sure you don't have to reach it alone.
Glaux (γλαύξ, /ɡlau̯ks/) — the little owl companion of the Greek goddess Athena, symbol of wisdom, knowledge and insight.
Usage
Free during beta
Meletium is free while in beta. Use it within usage caps.
50 units / month
up to 500 pages per upload
FAQ
Questions, answered
Is Meletium free?
Yes. Meletium is free for personal use during beta, within usage caps. You get 50 units a month and can upload documents up to 500 pages each. All features are included within those caps; there are no paid plans yet.
What's a unit?
A unit is the single, transparent measure of the work Glaux does for you. Roughly what one interaction costs in language-model compute. Asking Glaux a question, generating an exam, or creating a diagram is 1 unit each. Parsing a document costs 1 unit per 3 pages with the premium parser, or 1 unit per 100 pages with the basic parser.
What kinds of documents can I upload?
Books, articles, papers, theses or manuals, anything in PDF form. You can bring a document in with one of two parsing models: the premium parser, which is fast and near-perfect, or the basic parser, which is slower and rougher but uses a fraction of the units. Each upload can be up to 500 pages during beta.
Is my document private?
Yes, your library is yours. Uploaded documents and your conversations with Glaux are private to your account and used only to power your own reading space, not shared with other users.
How is Meletium different from a generic AI chatbot?
Everything Glaux says is grounded in your actual document, not in generic Large Language Model knowledge. Every response traces back to the exact page in the document it came from. Click any citation and land on that page, with no hallucinated references. On top of grounded chat, you get a knowledge graph of the document's structure, auto-graded quizzes, printable exercises with worked solutions, and a board for visual explanations. A complete reading enviroment, not just a chat window.
Does Meletium work in other languages?
Yes. Meletium is natively multilingual. Currently it works in English, Greek, German, Spanish, French, and Italian. You can set the language of the app and the spoken language of each book separately, so you can discuss an English textbook in Spanish, for example, with key terms always shown in both languages. Math and formulas render with full textbook typesetting regardless of language.
How is Meletium different from NotebookLM?
NotebookLM is built for breadth: skimming many sources, audio and video overviews, and a large context across documents. Meletium is built for depth on a single book, paper, or thesis. Every answer cites the exact page, you can generate printable exams with worked solutions, navigate a knowledge graph of the book, and draw editable diagrams together with Glaux. Use NotebookLM when you need to cover many sources quickly, and Meletium when you need to truly understand one text. See the full comparison
You chose this book because it matters.
Let's make sure you genuinely understand it.
Upload a PDF. Ask Glaux your first question. See the difference.