These tools integrates with

LangfusevsLangChain

OSS LLM engineering platform versus The leading LLM app framework

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Choose Langfuse when…

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

Choose LangChain when…

  • You want a broad, flexible LLM orchestration toolkit
  • You need integrations with many tools and data sources
  • You're prototyping or exploring LLM app patterns

Side-by-side comparison

Field
Langfuse
LangChain
Category
LLM Infrastructure
Pipelines & RAG
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Cloud: $59/mo
GitHub Stars
7,000
93,000
Health
80 Active
85 Active

Langfuse

Open-source platform for tracing, evaluations, and prompt management. Self-hostable alternative to LangSmith with clean UX.

LangChain

Most widely used framework for building LLM applications. Chains, agents, RAG pipelines, and deep integrations with 300+ tools.

Shared Connections11 tools both integrate with

Only Langfuse (19)

Claude CodeLangChainCursorDifyMastraAgnoDeepEvalHeliconePromptFooBraintrust

Only LangChain (18)

Semantic KernelQdrantChromaPineconeWeaviatepgvectorLangfuseAnthropic APIHaystackDSPy

Explore the full AI landscape

See how Langfuse and LangChain fit into the bigger picture — 207 tools, 452 relationships, all mapped.

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