


AutoGen taught Microsoft conversation loops; Semantic Kernel taught it enterprise plumbing. The Agent Framework is the merger, and the migration story matters more than the feature list.





The LangChain brand spans an abstraction library, a graph runtime, an eval/observability platform, and an expression language. Teams that blur them ship the wrong tool for the layer. Here's the clean mental model.

Google's Agent Development Kit is the same framework that powers Agentspace and Gemini Enterprise, open-sourced. Here is the complete map: agents, orchestration, tools, MCP, A2A, A2UI, the dev UI, and a working enterprise build you can deploy with one call.


Multi-agent bugs look like model failures but they're state-machine failures. The fix is replaying the critic's last rejection and finding the fork, not re-prompting the worker.