I Built RAG From Scratch in Python to Understand It. Here's What I Learned.

📰 Dev.to · Avinash Zala

Building a RAG pipeline from scratch in Python reveals key insights into embeddings, chunking, and prompt design, making it a valuable learning experience for AI engineers

advanced Published 22 Jun 2026
Action Steps
  1. Build a RAG pipeline using pypdf, ChromaDB, and Ollama
  2. Design and implement chunking algorithms for efficient text processing
  3. Apply prompt design principles to improve model performance
  4. Test and evaluate the RAG pipeline using various metrics
  5. Configure and fine-tune the model to achieve optimal results
Who Needs to Know This

AI engineers and researchers on a team can benefit from understanding the inner workings of RAG pipelines, allowing them to fine-tune and optimize their models more effectively. This knowledge can also be applied to improve the performance of language models in various applications

Key Insight

💡 Building a RAG pipeline from scratch can provide a deeper understanding of the underlying mechanisms and improve model performance

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💡 Building a RAG pipeline from scratch reveals the power of embeddings, chunking, and prompt design #AI #LLMs

Key Takeaways

Building a RAG pipeline from scratch in Python reveals key insights into embeddings, chunking, and prompt design, making it a valuable learning experience for AI engineers

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