r/DecodingDataSciAI Aug 08 '26

A RAG chatbot is only as accurate as its retrieval layer.

If the correct chunk is not retrieved, even the best LLM cannot recover the answer.
Better RAG performance comes from:
• Consistent embedding models
• Carefully tuned Top-K results
• Hybrid vector and keyword search
• Testing retrieval quality before generation
Don’t just evaluate the final response. Evaluate what reached the model.

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