These tools competes with

LangChainvsSemantic Kernel

The leading LLM app framework versus Microsoft SDK for AI orchestration

Compare interactively in Explore →

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

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 (23)

OpenHandsCrewAIAutoGenLangGraphSemantic KernelLangSmithLlamaIndexQdrantChromaPinecone

Only Semantic Kernel (1)

LangChain

Explore the full AI landscape

See how LangChain and Semantic Kernel fit into the bigger picture — 123 tools, 304 relationships, all mapped.

Open in Explore →