How to Build a Production RAG System in 2026
Retrieval Augmented Generation (RAG) lets LLMs answer questions about your own data. This guide covers the full production pipeline — from chunking to query routing.

The standard framework for LLM apps.
LangChain is the industry-standard framework for building applications powered by LLMs, enabling chains of calls to models and tools.
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LangChain is the industry-standard framework for building applications powered by LLMs, enabling chains of calls to models and tools.
RAG applications
Chatbots
Agent construction