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BLACK FRIDAY SALE: Want to learn how to build production-ready AI apps yourself? → Join the BuildLoop Community: https://build-loop.ai → Use code 'BLACKFRIDAY' for 50% discount (197 → 98) I built a complete RAG system that lets AI search through real documents and give accurate answers - eliminating hallucinations completely. Built it in Lovable in under 20 minutes using OpenAI Vector Stores. No more making things up. Stuck building your AI app alone? Get 1-on-1 help to ship in 30 days: → https://build-loop.ai/accelerator Get the exact prompt I used: https://build-loop.ai/prompts/20 Get started with LOVABLE: https://lovable.dev Set up OPENAI: https://platform.openai.com Most AI agents hallucinate and make things up when they don't know the answer. RAG (Retrieval Augmented Generation) fixes this by letting your AI search through actual documents before responding. But building RAG systems usually requires complex vector databases, embedding models, and custom infrastructure. Not anymore. I'm showing you how to build a complete document chat system using Lovable and OpenAI Vector Stores. You upload PDFs, the AI indexes them automatically, and you can chat with your documents to get accurate, sourced answers. No hallucinations. No made-up information. Just real data from your files. In this video, I build a complete RAG system that: ✅ Uploads PDF documents to OpenAI Vector Stores ✅ Automatically indexes and processes documents ✅ Provides AI-powered chat interface ✅ Searches through real document content ✅ Returns accurate answers with source citations ✅ Shows which files were used for each answer ✅ Works with any type of documentation ✅ Built entirely in Lovable with simple prompts ✅ Uses OpenAI to handle all the complex RAG logic The best part? OpenAI handles ALL the hard work - chunking, embedding, vector search, and retrieval. You just upload documents and chat. This works for customer service documentation, internal knowledge bases, research papers, YouTube transcripts - anything you need searchable AI for. --- ⏱️ TIMESTAMPS: 00:00 Introduction to AI Systems and Their Limitations 00:20 Building a Lovable App with OpenAI 00:44 Setting Up OpenAI Vector Stores 01:14 Creating the Web Application 01:38 Implementing the Backend Integration 01:49 Running the Application 03:02 Testing the Application 04:13 Troubleshooting and Final Thoughts 05:26 Conclusion and Future Content --- 💡 WHO IS THIS FOR? - Anyone building AI apps that need accurate information - Developers wanting to eliminate AI hallucinations - Businesses needing searchable knowledge bases - Support teams building AI documentation systems - No-code builders exploring RAG technology - Anyone tired of AI making things up --- 🎯 WHAT YOU'LL LEARN: ✓ What RAG (Retrieval Augmented Generation) is ✓ How OpenAI Vector Stores work ✓ How to build document upload systems ✓ How to integrate OpenAI Vector Stores in Lovable ✓ How to create AI chat interfaces ✓ How to get sourced, accurate AI responses ✓ Why RAG is better than huge prompts ✓ How to verify documents in OpenAI dashboard ✓ The REAL process of building RAG systems ✓ How to use Vector Stores for any documentation --- 📌 ABOUT BUILDLOOP: BuildLoop is my complete course for building AI-powered apps with Lovable and other AI builders. Inside, you'll find: - 20+ step-by-step video lessons (4+ hours) - 30+ copy-paste prompts for common features - 6 AI-powered tools (Idea Finder, Prompt Generator, etc.) - 5 production-ready app templates - Private community of 65+ builders - Weekly live Q&A calls - Lifetime access to all updates Join here: https://build-loop.ai/ --- 🔔 SUBSCRIBE for real AI building tutorials, RAG implementation guides, and no-code AI systems. New videos weekly! --- 💬 Questions about building your own RAG system? Drop them in the comments and I'll answer! If this video showed you how to eliminate AI hallucinations with RAG, hit the like button and share it with someone building AI products. Let's build something incredible 🚀 --- #Lovable #RAG #NoCode #BuildLoop #AIApps #OpenAI #VectorStores #AIAutomation #NoCodeApps #PromptEngineering #AIBuilder #DocumentAI --- ⚠️ DISCLAIMER: Educational purposes only. Lovable pricing applies (check lovable.dev). OpenAI API costs apply. Test thoroughly before production use. Ensure you have rights to upload and process documents.