Simple RAG fixes mattered more than switching AI models

In RAG development, changing the mattered less than several simple system improvements. Better chunking of long documents and adding a reranker had a large effect.

Building an from real user questions also made a major difference. No exact gains or cost savings were provided.

Key points

  • Simple had more impact than switching models.
  • Better chunking made documents easier to search effectively.
  • A reranker moved the most relevant search results toward the top.
  • Real user questions were used to build an .
  • No measured or cost improvement was reported.
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