These tools competes with

Semantic KernelvsLangChain

Microsoft SDK for AI orchestration versus The leading LLM app framework

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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

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

Semantic Kernel

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

Website ↗GitHub ↗

LangChain

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

Website ↗GitHub ↗

Shared Connections1 tools both integrate with

LiteLLM

Only Semantic Kernel (1)

LangChain

Only LangChain (28)

OpenHandsCrewAIAutoGenSemantic KernelLangSmithLlamaIndexQdrantChromaPineconeWeaviate

Explore the full AI landscape

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

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