---
title: "Discussion on \"LlamaIndex makes RAG easy to build and hard to debug. Here is how I evaluate it.\" | Hashnode"
description: "Discussion on \"LlamaIndex makes RAG easy to build and hard to debug. Here is how I evaluate it.\". I built a RAG app on LlamaIndex in about four lines. Wire an index to a query engine, point it at my documents, ask a question, get an answer. The first hundred queries were great. I was impressed wit"
url: "https://hashnode.com/posts/evaluating-llamaindex-rag-2026/6a97fc40b73331cb74e0df1e"
---

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# [LlamaIndex makes RAG easy to build and hard to debug. Here is how I evaluate it.](https://kartiknvjk.hashnode.dev/evaluating-llamaindex-rag-2026?utm_source=hashnode&utm_medium=feed)

I built a RAG app on LlamaIndex in about four lines. Wire an index to a query engine, point it at my documents, ask a question, get an answer. The first hundred queries were great. I was impressed wit

Sep 2 · 8 min read · kartiknvjk.hashnode.dev  
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-   [#llamaindex](https://hashnode.com/tag/llamaindex)
-   [#llm](https://hashnode.com/tag/llm)
-   [#rag](https://hashnode.com/tag/rag)
-   [#traceai](https://hashnode.com/tag/traceai)
-   [#observability](https://hashnode.com/tag/observability)
-   [#llmobservability](https://hashnode.com/tag/llmobservability)

## Written by

[Kartik N V J K](https://hashnode.com/@kartik-nvj)

@kartik-nvj

  
[View profile](https://hashnode.com/@kartik-nvj)

AI Developer | Making AI reliable, trustworthy & accessible to everyone | Active community contributor

I write when an idea won't leave me alone 🧠 Building AI agents and the tools to build AI agents. Love connecting AI with other fields and yapping about all of them. Follow along if that's your kind of thing.

## Responses 1

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[Kartik N V J K](https://hashnode.com/@kartik-nvj)

[Sep 16](https://hashnode.com/posts/evaluating-llamaindex-rag-2026/6a97fc40b73331cb74e0df1e/comment/6aaaf06edf010a89b564193b)

LlamaIndex makes RAG easy to build and hard to debug. Here is how I evaluate it.