DevVersus

Semantic Kernel vs AutoGen(2026)

Semantic Kernel is better for teams that need best .net support. AutoGen is the stronger choice if best for multi-agent scenarios. Semantic Kernel is open-source (from $0) and AutoGen is open-source (from $0).

Full feature breakdown, pricing details, and pros & cons below.

Affiliate disclosure: Some “Visit” links on this page are affiliate links. We may earn a commission if you sign up — at no extra cost to you. It does not affect our rankings or editorial coverage. Learn more.

Semantic Kernel logo

Semantic Kernel

open-source

Semantic Kernel is Microsoft's open-source AI SDK that enables developers to integrate LLMs into .NET, Python, and Java applications with plugins, memory, and multi-agent orchestration.

Starting at $0

Visit Semantic Kernel
AutoGen logo

AutoGen

open-source

AutoGen is Microsoft's open-source framework for building multi-agent LLM applications where agents converse with each other, use tools, and collaborate to complete complex tasks.

Starting at $0

Visit AutoGen

How Do Semantic Kernel and AutoGen Compare on Features?

FeatureSemantic KernelAutoGen
Pricing modelopen-sourceopen-source
Starting price$0$0
Plugin architecture
Memory management
Multi-agent orchestration
.NET/Python/Java
Azure OpenAI integration
Process framework
Planners
Multi-agent conversations
Human-in-the-loop
Code execution
Tool use
GroupChat orchestration
Async support
Studio UI

Semantic Kernel Pros and Cons vs AutoGen

S

Semantic Kernel

+Best .NET support
+Enterprise-grade (Microsoft)
+Strong Azure integration
+Multi-language
.NET bias despite multi-language
Steeper learning curve
More opinionated than LangChain
A

AutoGen

+Best for multi-agent scenarios
+Microsoft backing
+Active research community
+Flexible agent roles
Complex to debug
High token usage with many agents
Not ideal for simple pipelines

Should You Use Semantic Kernel or AutoGen?

Choose Semantic Kernel if…

  • Best .NET support
  • Enterprise-grade (Microsoft)
  • Strong Azure integration

Choose AutoGen if…

  • Best for multi-agent scenarios
  • Microsoft backing
  • Active research community

More LLM Frameworks Comparisons