Build a RAG Agent with NVIDIA Nemotron | Nemotron Labs

Build a RAG Agent with NVIDIA Nemotron | Nemotron Labs

🎙 NVIDIA Developer 👥 222K 📅 September 23, 2025 ⏱ 60 min 👁 8K 📄 tutorial 🧭 2026-08-13
Available in: English (current) Français

Keywords

RAGagentic AIretrieval augmented generationNVIDIA NIMvector database

Summary

This livestream from NVIDIA Developer, hosted by Chris and Edward, provides a hands-on tutorial on building an agentic RAG (Retrieval-Augmented Generation) system using NVIDIA’s Nemotron models. The session begins with a demo of an IT help desk agent that answers queries by retrieving from a knowledge base. The hosts then explain the limitations of basic LLM inference and traditional RAG, highlighting hallucinations and static workflows. They introduce agentic RAG, which incorporates reasoning and tool calling to dynamically retrieve and synthesize information. The tutorial walks through setting up a development environment using NVIDIA Launchables, configuring API keys, ingesting documents into a vector database (FAISS), building a retrieval chain with a reranker, and creating a React agent using LangGraph. The agent uses the Nemotron Nano 9B model for reasoning and tool calling. The hosts also demonstrate running the agent as an API server and migrating to local NIM microservices. Throughout, they answer audience questions on topics such as agents vs. workflows, embedding models, vector databases, chunk size, reranking, reasoning models, security, and scaling. The session concludes with practical advice on production deployment and cost reduction.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video provides substantial value by offering a practical, step-by-step guide to building an agentic RAG system, which is a current and relevant topic in AI. The hosts clearly explain the concepts behind each component, such as embeddings, vector databases, reranking, and reasoning models, making the content accessible to developers with some background. The live demo and code walkthrough enhance the learning experience, allowing viewers to follow along and reuse the code. The argumentation is solid, as they justify the use of agentic RAG over traditional RAG by addressing limitations like static workflows and hallucination. They also provide balanced perspectives, such as acknowledging that RAG is not dead and is essential for private or real-time data. The Q&A segments add depth, covering practical concerns like deployment, security, and evaluation. However, the video is promotional in nature, as it heavily features NVIDIA products and services, which may bias the presentation. The technical depth is moderate, suitable for intermediate developers, but not exhaustive for advanced practitioners.

Scientific Rigor, Source Quality, Title Accuracy

The video demonstrates scientific rigor by grounding the tutorial in established concepts like RAG, embeddings, and vector databases, and by using NVIDIA’s official documentation and resources. The hosts accurately explain the mechanics of the system and provide code that is reproducible. The sources cited are primarily NVIDIA’s own resources, which are relevant and authoritative for the tools used. The title accurately reflects the content, as the video is indeed about building a RAG agent with NVIDIA Nemotron. The content is well-structured, with clear chapters and a logical flow from theory to implementation. However, the reliance on NVIDIA-specific tools and endpoints may limit the generalizability of the tutorial, and the promotional aspect could be seen as a conflict of interest. No external academic sources are cited, but the technical explanations are consistent with industry knowledge. The comments section is not provided, so no analysis of public reception is possible.

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Title / Content Match

The title accurately reflects the content: a step-by-step guide to building a RAG agent using NVIDIA Nemotron.

Quality & Reliability

8/10

The video is a practical tutorial from NVIDIA Developer, demonstrating the construction of an agentic RAG system. It provides clear explanations of concepts and code, with a live demo. The content is technically accurate and aligns with current best practices, though it is promotional in nature and does not include formal citations.

Chapters

Cited Sources

Concurring Sources

Contribution & Novelties

The video provides a practical, hands-on approach to building an agentic RAG system, which is a relatively new and evolving area. It demonstrates how to combine a reasoning model (Nemotron) with a retrieval chain and a reranker to create a more dynamic and grounded AI agent. The tutorial is valuable for developers looking to implement RAG in production, as it covers not only the theory but also the code and deployment considerations. The use of NVIDIA’s Launchable environment and NIM microservices offers a streamlined path from development to deployment.

Pour aller plus loin :

146 words

Radar Profile

The radar profile shows high scores in quantity and quality of information, indicating a content-rich tutorial. The technical level is moderately high, suitable for developers with some background. The overall reliability is strong, given the authoritative source and clear explanations. The profile suggests a well-rounded educational resource.

Reliability 8/10