Semantic Kernel

Microsoft SDK for building AI agents with plugins and memory

Best for: Enterprise developers building AI-powered applications Not ideal for: More complex than simpler alternatives
Price Free
Free plan Yes
For Enterprise developers
Level advanced
Updated Jan 2025
Category AI Agents
01

Why choose Semantic Kernel

Microsoft Semantic Kernel is an open-source SDK that enables developers to build AI agents and integrate LLMs into applications using conventional programming languages. It provides plugins, memory, and planning capabilities to create enterprise-grade AI agents that orchestrate AI models alongside existing code.

  • +Enterprise-grade architecture
  • +Multi-language support
  • +Seamless Azure integration
  • +Strong Microsoft support
02

Where it falls short

  • More complex than simpler alternatives
  • Primarily enterprise-focused
  • Documentation can be overwhelming
03

Best for these users

👤
Target audience
Enterprise developers, .NET/Python engineers
📌
Best for
Enterprise developers building AI-powered applications
Skip if you need
More complex than simpler alternatives
04

Pricing overview

Free Free plan: Yes

Open-source SDK, free to use. LLM API costs apply based on your provider.

Check current pricing →
05

Key features

Plugin-based architecture
Memory and vector store integration
Multi-LLM support (OpenAI, Azure, Hugging Face)
Planner for complex task decomposition
.NET, Python, and Java SDKs
Enterprise-ready patterns
07

Alternatives to Semantic Kernel

LangChain

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LlamaIndex

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Ada

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Agency Swarm

Open-source framework for creating collaborative AI agent networks with specialized roles

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08

Related comparisons

09

The verdict

Semantic Kernel Free

Semantic Kernel is a solid choice for enterprise developers who need enterprise-grade architecture. At free, it delivers good value. Main caveat: more complex than simpler alternatives. Compare with alternatives before committing.