A agentindex
Comparison

AutoGen vs Semantic Kernel

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

AutoGen

Microsoft's framework for multi-agent conversations.

  • + Backed by Microsoft research
  • + Strong on conversational agent patterns
  • − API churned across major versions
  • − Heavier abstraction layer

Semantic Kernel

Microsoft's SDK for enterprise AI orchestration.

  • + Strong .NET and Java story for enterprise
  • + Planner abstraction for tool orchestration
  • − Enterprise-flavored, less hacker-friendly
  • − Concept-heavy docs
Spec AutoGen Semantic Kernel
Category framework framework
License MIT MIT
Open source Yes Yes
Self-hostable Yes Yes
MCP support Yes Yes
Pricing free free
Starting price BYOK usage cost BYOK usage cost
Models claude, gpt, gemini, byok gpt, claude, byok
Languages python, dotnet csharp, python, java
GitHub stars 59.2k 28.2k
Last activity 2026-04-15 2026-06-25