Semantic Kernel

Semantic Kernel is an open-source SDK that lets you easily build agents that can call your existing code.

FreeWebDesktopAPIOpen sourceKoreanLLM-basedMultimodal

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Overview

Semantic Kernel is an open-source SDK that lets you easily build agents that can call your existing code. As a highly extensible SDK, you can use Semantic Kernel with models from OpenAI, Azure OpenAI, Hugging Face, and more. It allows developers to combine conventional programming languages with the latest in AI through plugins, planners, and memory connectors.

Key features

Plugin System
Automatic Planners
Memory & Vector DB Connectors
Multi-LLM Support
C#, Python, Java SDKs
RAG Architecture Support
Function Calling Optimization

Pricing

FreeStarting price: Free (open source)

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Verified on: 8/30/2026

Use cases

Adding AI to legacy codebases
Building intelligent virtual assistants
Automating complex workflows
Document-based Q&A systems

Who it is for

Software EngineersEnterprise Dev TeamsAI Solution Architects

Integrations

Azure OpenAI ServiceHugging FacePineconeSQLiteMicrosoft Teams

How we verified this

Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.

Last verified 08/30/2026Verified sources: 1