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Dev.to
Dev.to
6/15/2026
Build a RAG System with Python and OpenAI

Build a RAG System with Python and OpenAI

Short summary

Learn to build a RAG system using Python, OpenAI's GPT-4, and Pinecone vector database. This tutorial walks through setup, data ingestion, and response generation, enabling AI applications to retrieve and integrate contextual data. Ideal for developers building knowledge-grounded chatbots and support tools.

  • Step-by-step tutorial for building RAG systems with Python and OpenAI API
  • Uses Pinecone for efficient vector storage and similarity-based document retrieval
  • Includes testing strategies and production expansion ideas for scaling

Generated with AI, which can make mistakes.

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