Semantic Kernel

Partial info

Microsoft SDK to add AI orchestration to apps.

Semantic Kernel is Microsoft's open-source (MIT) SDK for integrating LLMs into applications with plugins, planners, memory, and agents, designed for enterprise use across C#, Python, and Java.

License

Open source (MIT)

Deployment

Self-hosted

Pricing

Free and open-source.

SDKs / languages

C#, Python, Java

Founded

2023

Strengths

First-class .NET/C# support
Enterprise-oriented, Azure-friendly
Plugins and planners

Limitations

Heavier, enterprise-focused
Fastest-moving in .NET, less so elsewhere

Alternatives

AutoGen

Microsoft's framework for multi-agent conversations.

CrewAI

Role-based multi-agent orchestration in Python.

Dify

Low-code platform to build LLM apps and agents.

Google Agent Development Kit

Google's open-source kit for building and deploying agents.

LangGraph

Build stateful, controllable agents as graphs.

Letta (MemGPT)

Stateful agents with long-term memory (MemGPT).

Compare all ai agent frameworks →

Facts verified 19 July 2026. Neutral summary, not an endorsement; verify current details with the vendor.