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Semantic Kernel
Open-source AI SDK for enterprise app development
Table of Contents
Semantic Kernel - 2026 Pricing, Features, Reviews & Alternatives
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Last updated: September 2026
Semantic Kernel overview
What is Semantic Kernel?
Semantic Kernel is a lightweight, open-source development kit that acts as middleware between application code and AI services, supporting C#, Python, and Java. It provides developers with a structured framework for integrating large language models, managing AI agents, and chaining plugins into automated pipelines. Deployment is flexible, supporting cloud, on-premises, and hybrid environments, making it suitable for enterprises across industries including finance, healthcare, and software development.
Semantic Kernel extends its core orchestration capabilities through a modular plugin architecture, memory connectors, and planner components that decompose complex goals into executable task sequences. Teams can configure AI agents to operate autonomously or in supervised workflows, with built-in support for function calling, retrieval-augmented generation, and multi-model coordination. The SDK integrates with major AI providers and vector databases, giving engineering teams precise control over model selection, prompt management, and context handling at scale.
Starting price
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