Microsoft Semantic Kernel review

The go-to framework for developers in the Microsoft ecosystem, offering strong .NET/C# and Azure integration.

Top 11 rank

#5 of 11

Score

8.5/9.4

Pricing

Free (Open Source)

HQ

Redmond, USA

Verdict

Microsoft's Semantic Kernel is the premier choice for .NET and C# developers, providing a robust, enterprise-ready SDK for integrating LLMs with native code and Azure services.

What customers praise

Its multi-language support (Python, C#, Java) and strong conceptual model of 'skills', 'memories', and 'planners' provide a solid foundation for building maintainable AI applications.

What customers criticise

The open-source community and breadth of third-party integrations are smaller compared to Python-first frameworks like LangChain and LlamaIndex.

Best for

Development teams heavily invested in the Microsoft ecosystem (.NET, C#, Azure) seeking an enterprise-grade, well-supported framework for building robust AI orchestrations.

At a glance

  • Integrations: Azure OpenAI, OpenAI, Hugging Face, Qdrant, Weaviate, Azure Cognitive Search, Microsoft Graph
  • Compliance: Follows Azure compliance standards
  • Regions served: Global
  • Typical onboarding: 0 days
  • Free tier: yes

Red flags

Public risk signals as of May 2026: none. No material public risk signals as of 2026-05-31. See the full red-flag report.

Alternatives

See alternatives to Microsoft Semantic Kernel, or compare against the next-ranked entry: Microsoft Semantic Kernel vs Google Vertex AI Search.

Source: Top 11 The 11 Best RAG Frameworks (2026), verified May 31, 2026 — no paid placement.