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ChatGPT invents information. It's students' biggest fear.
ChatGPT is a powerful tool, but it wasn't designed for exam preparation. Its main flaw? It invents information when it doesn't know the answer. As a student, that's exactly what you DON'T want. Imagine: you're reviewing your biology course with ChatGPT, you ask it to explain mitochondria, and it gives you information that seems coherent... but it's false. You learn these false facts, reproduce them in the exam, and boom: catastrophic grade. The worst part? You won't even know until you get your graded paper back.
**Concrete example**: A history student asks ChatGPT for dates of the French Revolution. ChatGPT invents "July 14, 1788" as the start date of the Revolution. The student learns this false date, reproduces it in the exam... and loses crucial points. The problem? The information seemed perfectly credible.
**Permanent stress**: With ChatGPT, you can never be 100% sure. Every piece of information must be verified. You constantly wonder "Is this true?" "Can I trust this?" This permanent uncertainty creates enormous stress during study sessions. You waste time cross-checking everything instead of simply learning.
**Academic credibility at stake**: Imagine your professor detects a blatant error in your assignment or during an oral presentation. "Where did this information come from?" They immediately know you used a generalist AI without verifying. Your credibility takes a hit. Some professors even become suspicious of your entire work.
EduFiche uses RAG: before composing a study sheet, the AI retrieves relevant passages from your documents. This grounds the result in your course and reduces the risk of invented information.
**How does it work in practice?** You upload your 30-page course on World War II. Instead of searching with a single query, EduFiche automatically generates 4 search variants: "causes of war", "conflict outbreak", "historical origins", "pre-war context". Result: the AI captures ALL important information from your course, even when formulated differently. No crucial detail is missed.
**Intelligent fusion**: The 4 parallel searches return dozens of results. How to know which are most relevant? That's where RRF Fusion comes in. Imagine an intelligent voting system: each chunk (text piece) appearing in multiple searches gets a high "confidence score". The most important passages from your course are automatically prioritized. No secondary content, only essentials.
**Diversity AND relevance**: MMR Re-ranking solves a crucial problem: avoiding repetition. Concrete example: your course mentions "the Battle of Stalingrad" 15 times. Without MMR, your sheet would contain 15 similar passages. With MMR, EduFiche selects THE 2-3 most informative and complementary passages. Result: a complete sheet covering all aspects (causes, unfolding, consequences) without useless repetition.
RAG retrieves relevant passages from your course before the model composes the sheet. This grounding reduces the risk of invented information. Review and edit the result against your source before learning it.
| Feature |  EduFiche | ChatGPT |
|---|---|---|
| Respect for sources | RAG + editable study sheet | Invents information |
| Content reliability | RAG reduces the risk of invented information | Risk of serious errors |
| Conversational interface | ||
| Structured study sheets | ||
| Integrated quizzes and flashcards |
ChatGPT is a general-purpose assistant. EduFiche specialises in study sheets built from imported course materials, with a RAG workflow that reduces the risk of invented information.
EduFiche doesn't just generate sheets. It's a complete ecosystem: **Structured sheets**: Generated in 30 seconds from your PDF/image/document courses. Clear organization with titles, subtitles, key concepts. **Automatic flashcards**: AI automatically generates flashcards from your sheets. Question on front, detailed answer on back. Infinitely customizable. **Smart quizzes**: MCQs automatically generated to test your understanding. AI asks the right questions about important concepts. **Timed exam mode**: Simulates real exam conditions. Timer, distraction-free environment, final score. Prepare yourself mentally AND academically. **Course organization**: Organize your subjects, documents, sheets. Everything centralized. No more searching through 15 different folders. **Study time tracking**: Precise statistics of your study time. Visualize your progress. Stay motivated with clear goals. **Badges and rewards**: Gamification system to make studying addictive. Unlock achievements, level up. Learning becomes a game.
EduFiche combines query expansion, multiple semantic searches, result fusion and re-ranking to retrieve relevant, complementary passages before composing a study sheet. The aim is a clearer result with less repetition, while keeping the sheet editable.
More than 50,000 students use EduFiche to create and learn from their study sheets.
