Semantic Kernel and AutoGen were folded into Microsoft Agent Framework, though the interface underneath them did not change. The major question is not which framework we adopt, but which decisions we make when designing applications equipped with AI. Calling a language model from C# today takes an afternoon. Living with that call takes longer, and that is where the real costs lie.

In this talk, we will examine the boundary between your code and the LLM, and discuss where Microsoft Agent Framework and Microsoft.Extensions.AI each belong in your applications.