These tools competes with

LangChainvsSemantic Kernel

The leading LLM app framework versus Microsoft SDK for AI orchestration

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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

Choose Semantic Kernel when…

  • .NET or C# is your primary language
  • You're integrating AI into a Microsoft-stack app
  • You need enterprise-grade agent orchestration

Side-by-side comparison

Field
LangChain
Semantic Kernel
Category
Pipelines & RAG
Agent Frameworks
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
GitHub Stars
93,000
22,000
Health
85 Active
80 Active

LangChain

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

Semantic Kernel

Microsoft's open-source SDK for integrating AI models into .NET, Python, and Java applications. Enterprise-grade orchestration with plugin architecture.

Shared Connections1 tools both integrate with

Only LangChain (28)

OpenHandsCrewAIAutoGenSemantic KernelLangSmithLlamaIndexQdrantChromaPineconeWeaviate

Only Semantic Kernel (1)

LangChain

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

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