These tools integrates with

LlamaIndexvsLangfuse

Data framework for RAG and LLM pipelines versus OSS LLM engineering platform (acquired by ClickHouse, Jan 2026)

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Choose LlamaIndex when…

  • •You're building RAG or knowledge base apps
  • •Structured data querying over documents is your focus
  • •You need powerful index and retrieval primitives

Choose Langfuse when…

  • •You want open-source LLM observability
  • •Self-hosting your tracing stack is important
  • •You need cost tracking across models and users

Side-by-side comparison

Field
LlamaIndex
Langfuse
Category
Pipelines & RAG
Observability
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
—
Cloud: $59/mo
GitHub Stars
⭐ 37,000
⭐ 7,000
Health
●100 — Active
●95 — Active

LlamaIndex

Framework specialized in data ingestion, indexing, and retrieval for LLM applications. The go-to for complex RAG pipelines.

Website ↗GitHub ↗

Langfuse

Open-source platform for tracing, evaluations, and prompt management. Self-hostable alternative to LangSmith with broad framework support. Acquired by ClickHouse in January 2026; OSS core continues with deeper ClickHouse-backed analytics.

Website ↗GitHub ↗

Shared Connections6 tools both integrate with

CursorLangGraphLangChainLiteLLMRAGASOpenAI API

Only LlamaIndex (13)

QdrantChromapgvectorWeaviateLangfuseOllamaAnthropic APIPineconeHaystackvLLM

Only Langfuse (25)

Claude CodeCrewAIOpenHandsAutoGenLlamaIndexDifyMastraAgnoLangSmithPortKey

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See how LlamaIndex and Langfuse fit into the bigger picture — 235 tools, 543 relationships, all mapped.

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