AG2 vs Semantic Kernel

Pick two tools from the same category to compare side-by-side.

	AG2 Community-maintained multi-agent conversation framework forked from Microsoft's AutoGen.	Semantic Kernel Microsoft's open-source SDK for embedding LLM agents and plugins into .NET, Python, and Java apps.
Category	framework	framework
Vendor type	open source	open source
Pricing	free	free
Strengths	+ Proven conversational multi-agent patterns inherited from AutoGen + Open, contribution-based community governance + Built-in code execution and human-in-the-loop support + Model-agnostic across major LLM providers	+ Strong enterprise and multi-language support (.NET, Python, Java) + Plugin/connector model and Azure ecosystem integration + Backed by Microsoft with extensive documentation + Established memory and planner/agent primitives
Tradeoffs	− Branding and lineage confusion with AutoGen and Microsoft Agent Framework − Still pre-1.0 with evolving APIs − Smaller institutional backing than vendor-led frameworks	− Most new investment has shifted to Microsoft Agent Framework − API churn and migration overhead for long-lived projects − Heavier, enterprise-oriented abstractions
Used in stacks	0	0