RAG Chunking Strategies: Optimizing Retrieval for LLMs 29 Mar 2026 Post a Comment Retrieval-Augmented Generation (RAG) fails most often not because of the Large Language Model (LLM), but because of poor data preparation. When you … LangChainLlamaIndexLLM chunking strategyRAG architectureRetrieval-Augmented GenerationSemantic SearchVector Search