Multimodal RAG from scratch: the complete pipeline from A to Z
    AI fundamentals

    Multimodal RAG from scratch: the complete pipeline from A to Z

    Julien SéaillesJulien Séailles
    January 13, 2026

    Building a powerful AI that draws from your own data is more accessible than ever, thanks to Retrieval-Augmented Generation (RAG). But moving from a simple demo to a robust, production-ready system requires a deep understanding of each component in the pipeline.

    In this detailed guide, we explore the complete RAG pipeline with the nuance and depth it deserves. We start with the fundamentals—from parsing documents to understanding vector databases—and then go beyond the basics to explore the advanced retrieval strategies that separate good RAG systems from great ones.

    Our goal is to provide a clear, practical roadmap for building and optimizing your own fact-based AI applications.

    Assembling these components into a cohesive, scalable system is a significant engineering effort. At UBIK Agent, we''ve channeled this expertise into our platform, which features a highly efficient RAG pipeline ready for production. In this detailed guide, we explore the complete RAG pipeline with the nuance and depth it deserves. We start with the fundamentals—from parsing documents to understanding vector databases—and then go beyond the basics to explore the advanced retrieval strategies that separate good RAG systems from great ones.

    Our goal is to provide a clear, practical roadmap for building and optimizing your own fact-based AI applications.

    Assembling these components into a cohesive, scalable system is a significant engineering effort. At UBIK Agent, we've channeled this expertise into our platform, which features a highly efficient multimodal RAG pipeline ready for production.


    Julien Séailles

    Written by

    Julien Séailles

    Julien is the founder and CEO at UBIK.

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