In this video, I am taking a look at OpenAI's new long context agentic RAG system that uses GPT-4.1 for retrieval without the need for dedicated index. Blogpost: #adaptation-decision-tr Colab: Website: RAG Beyond Basics Course: Let's Connect: 🦾 Discord: ☕ Buy me a Coffee: |🔴 Patreon: 💼Consulting: 📧 Business Contact: engineerprompt@ Become Member: 💻 Pre-configured localGPT VM: (use Code: PromptEngineering for 50% off). Signup for Newsletter, localgpt: TimeStamps: 00:00 Retrieval Augmented Generation Systems 00:14 OpenAI's New Multi-Agent System 01:04 Practical Guide and Use Cases 01:48 Step-by-Step System Breakdown 03:29 Detailed Architecture and Implementation 07:13 Example Workflow and Code Walkthrough 18:40 Cost Analysis and Trade-offs 20:51 Future Improvements and Conclusion