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The AI Concepts Podcast

by Sheetal ’Shay’ Dhar
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Latest episodes

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  • Module 7: Why Do We Need LLM Frameworks?

    August 19, 2026 · 10 min

    If LLM applications can be built with regular code and APIs, why do frameworks exist at all? This episode explores what happens as a simple application grows and starts needing retrieval, memory, routing, multiple models, retries and…

  • Module 7: Building LLM Applications | What Is an LLM Application, Really?

    August 19, 2026 · 11 min

    What actually sits behind an LLM application? This episode takes one simple request and follows it beneath the surface, revealing how the model, application code, APIs, external data and context work together to produce something genuinely…

  • Module 6: RAG | Long Context vs RAG - Do You Still Need Retrieval at All

    June 12, 2026 · 9 min

    This episode closes out Module 6 by tackling the question that has been getting louder since large context windows arrived. If a model can hold hundreds of thousands or even millions of tokens at once, do we still need all the architecture…

  • Module 6: RAG | GraphRAG - When Relationships Matter More Than Text

    June 10, 2026 · 8 min

    This episode addresses the category of questions that vector search fundamentally cannot answer, questions about relationships between things. We explore what a knowledge graph is and why traversing connections between entities requires a…

  • Module 6: RAG | Query Transformation - When the Question Is the Bottleneck

    June 10, 2026 · 7 min

    This episode addresses a retrieval failure that has nothing to do with your index and everything to do with the query itself. We explore the vocabulary gap between how people ask questions and how documents are written, and why even strong…

  • Module 6: RAG | Parent-Child Indexing - Search Small, Retrieve Big

    June 10, 2026 · 7 min

    This episode addresses the fundamental tension between retrieval precision and generation context. We explore why small chunks produce tight embeddings that retrieve well but leave the model without enough surrounding information, and why…

  • Module 6: RAG | Reranking - The Second Stage That Gets Retrieval Right

    June 10, 2026 · 10 min

    This episode addresses the gap between finding candidate chunks and finding the right ones. We explore the bi-encoder bottleneck, why compressing text into a single vector for comparison loses critical nuance, and how cross-encoders fix…

Full episode archive on Apple Podcasts →

About the show

The AI Concepts Podcast is my attempt to turn the complex world of artificial intelligence into bite-sized, easy-to-digest episodes. Imagine a space where you can pick any AI topic and immediately grasp it, like flipping through an Audio Lexicon - but even better! Using vivid analogies and storytelling, I guide you through intricate ideas, helping you create mental images that stick. Whether you’re a tech enthusiast, business leader, technologist or just curious, my episodes bridge the gap between cutting-edge AI and everyday understanding. Dive in and let your imagination bring these concepts to life!