LangChain LangGraph vs LlamaIndex: which does AI recommend?
Since May 30 · · ChatGPT and Google AI Mode
Based on 360 AI responses that name both
Reviewed by Dimitry Apollonsky
When AI names both, it lists LangChain LangGraph and LlamaIndex first about equally often. It recommends LlamaIndex more often and warns against it less.
Head to head
Listed first when AI names both
LangChain LangGraphLangChain LangGraph: 52%LlamaIndexLlamaIndex: 48%
Recommended when named
LangChain LangGraphLangChain LangGraph: 69%
LlamaIndexLlamaIndex: 76% (LlamaIndex leads)
Warned against · lower is better
LangChain LangGraphLangChain LangGraph: 2%
LlamaIndexLlamaIndex: 0% (LlamaIndex leads)
Pick LangChain LangGraph for
- Production conversational AI chatbot Almost always
- Human-in-the-loop review Almost always
Pick LlamaIndex for
- Production RAG pipelines quickly Almost always
- Query rewriting for retrieval Almost always
- On-premise self-hosted RAG Almost always
Topic by topic
LangChain LangGraph named more16About even5LlamaIndex named more11
LangChain LangGraph named more
LlamaIndex named more
- Self-hosted open-source RAG frameworkFar ahead
- LLM knowledge graph databasesFar ahead
- Advanced RAG retrieval strategiesClearly ahead
- LLM-based document analysisClearly ahead
- Enterprise LLM fine-tuning and RAGAhead
- End-to-end RAG platform with ingestion and vectorizationAhead
About even5
Only LangChain LangGraph is ranked in12
- Framework for parallel agent execution
- LLM observability and prompt tracing
- Agent reliability and tool-use testing
- LLM output quality evaluation
- RAG retrieval visualization tool
- Prompt unit and integration testing
- Prompt analytics tool for identifying themes and failures
- Prompt management software with guardrails
- No-code and low-code AI agent building
- Prompt lifecycle management platform
- LLM output drift detection
- Prompt version control
Only LlamaIndex is ranked in12
- Interactive document q&a
- Multimodal document understanding software for handwritten forms
- Document table extraction
- Natural language SQL interface with read-only permissions
- RAG retrieval quality monitoring
- Enterprise document processing
- PDF to structured data API for RAG
- Document AI for tabular data
- Self-hosted open-source vector database
- Document parsing for LLM pipelines
- AI document parsers for complex scanned forms
- Multimodal vector search
What people ask AI about LangChain LangGraph and LlamaIndex
LlamaIndex is usually listed first for building production RAG pipelines quickly. LangChain LangGraph is usually listed first for production conversational AI chatbots.
LangChain LangGraph listed firstLlamaIndex listed first- Which platform is strongest for building production RAG pipelines quickly?LlamaIndex almost always first
- I want to add query re-writing to my RAG pipeline to improve retrieval. What framework has the best built-in query transformation modules?LlamaIndex almost always first
- What is the best framework for building and deploying a production-ready conversational AI chatbot?LangChain LangGraph almost always first
- We need to build a RAG system on-premise. What is the best open-source RAG framework that is easy to self-host?LlamaIndex almost always first
- We want our RAG system to cite its sources accurately. What's the best framework for managing source document metadata and citations?LlamaIndex almost always first
- We use a specific Python framework. Who offers an SDK for easily adding LLM memory (chat history)?LangChain LangGraph often first
- I need a RAG (Retrieval Augmented Generation) framework optimized for legal citations.Level
- I need a specialized Python library for orchestrating "human-in-the-loop" review of AI tasks.LangChain LangGraph almost always first
Who AI mentions first
The lead changes hands from month to month.
- JunLangChain LangGraph listed first: 47%LlamaIndex listed first: 53%
- JulLangChain LangGraph listed first: 54%LlamaIndex listed first: 46%
- AugLangChain LangGraph listed first: 49%LlamaIndex listed first: 51%
- SepLangChain LangGraph listed first: 53%LlamaIndex listed first: 47%
Google AI Mode lists LangChain LangGraph first slightly more often. ChatGPT Search lists either brand first about as often.
- Google AI ModeLangChain LangGraph listed first: 56%LlamaIndex listed first: 44%
- ChatGPTLangChain LangGraph listed first: 47%LlamaIndex listed first: 53%
Sources AI cites
Also named alongside LangChain LangGraph and LlamaIndex
LangChain LangGraph vs LlamaIndex: common questions
- Is LangChain LangGraph better than LlamaIndex?
- LlamaIndex is usually listed first for building production RAG pipelines quickly. LangChain LangGraph is usually listed first for production conversational AI chatbots.
- Do ChatGPT and Google AI Mode recommend LangChain LangGraph or LlamaIndex?
- Google AI Mode lists LangChain LangGraph first slightly more often. ChatGPT Search lists either brand first about as often.
- What are the alternatives to LangChain LangGraph and LlamaIndex?
- AI most often names CrewAI, Haystack (deepset), Qdrant and Pinecone in the same answers.
- When is LangChain LangGraph the better pick?
- AI usually lists LangChain LangGraph first for: Production conversational AI chatbot; Human-in-the-loop review.
- When is LlamaIndex the better pick?
- AI usually lists LlamaIndex first for: Production RAG pipelines quickly; Query rewriting for retrieval; On-premise self-hosted RAG.
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