Semantic Kernel
by Microsoft
Integrate AI into your apps with enterprise-grade SDK
Semantic Kernel is an open-source SDK from Microsoft that lets you easily build agents that can call your existing code. It combines prompts, plugins, and planners to create AI-powered applications with enterprise features.
🎯 Key Features
Multi-language support (C#, Python, Java)
Plugin architecture
Automatic function calling
Planners for task orchestration
Memory and context management
Azure integration
Prompt templating
Enterprise security
Strengths
Enterprise-grade and Microsoft-backed
Multi-language support
Strong Azure integration
Good for .NET developers
Excellent documentation
Production-ready
Limitations
Steeper learning curve for non-.NET devs
Smaller Python community vs LangChain
More verbose than some alternatives
Azure-centric design
Best For
- Enterprise .NET applications
- Azure-based deployments
- Teams with C# expertise
- Applications needing multi-language support
- Microsoft ecosystem integration
Not Recommended For
- Python-first teams
- Rapid prototyping
- Non-Microsoft tech stacks
- Simple single-agent tasks