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Semantic Kernel

Verified Sep 2026

An Open-Source SDK for AI Orchestration

Microsoft's open-source SDK for integrating large language models with conventional programming languages. Build AI agents and orchestrate plugins across C#, Python, and Java.

Microsoft's enterprise SDK for LLM orchestration (.NET/Python/Java): plugins, planners, agents and Azure integration. The corporate sibling of AutoGen, now converging into Microsoft Agent Framework.

Who it's for

.NET and Python developers integrating LLMs into enterprise apps with planners and plugins.

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