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LlamaIndex vs. LangChain vs. Haystack for RAG

nutrient.io · 21 September 2026 · 15 min read

A post on nutrient.io, published 21 September 2026, has not been cited by any blog yet (corpus.blog, measured 12 October 2026).

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https://developers.llamaindex.ai/python/framework/ Who cites this page

developers.llamaindex.ai

https://docs.langchain.com/oss/python/releases/langchain-v1 Who cites this page

docs.langchain.com

https://docs.langchain.com/oss/python/langchain/retrieval Who cites this page

docs.langchain.com

https://docs.haystack.deepset.ai/docs/intro?ref=mattboegner.com Who cites this page

docs.haystack.deepset.ai

https://github.com/run-llama/llama_index/blob/main/LICENSE Who cites this page

github.com

https://github.com/langchain-ai/langchain/blob/master/LICENSE Who cites this page

github.com

https://github.com/deepset-ai/haystack/blob/main/LICENSE Who cites this page

github.com

https://github.com/deepset-ai/haystack/blob/main/MIGRATION.md Who cites this page

github.com

https://docs.haystack.deepset.ai/docs/evaluation Who cites this page

docs.haystack.deepset.ai

https://docs.haystack.deepset.ai/docs/tracing Who cites this page

docs.haystack.deepset.ai

https://docs.haystack.deepset.ai/docs/hayhooks Who cites this page

docs.haystack.deepset.ai

https://developers.api.llamaindex.ai/getting-started/ Who cites this page

developers.api.llamaindex.ai

https://docs.langchain.com/langsmith/deployment Who cites this page

docs.langchain.com

https://www.deepset.ai/solutions/enterprise Who cites this page

deepset.ai

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LlamaIndex vs. LangChain vs. Haystack for RAG

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