The Complete Developer’s Guide to GraphRAG, LightRAG, and AgenticRAG

RAG has evolved far beyond “search + generate.” Modern systems—GraphRAG, LightRAG, and AgenticRAG—each target a different pain point: complex reasoning (GraphRAG), efficiency (LightRAG), and dynamic decision-making (AgenticRAG). This article breaks down how they work, why they differ, and how to choose the right architecture for your production AI stack.

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