AI Agent Frameworks Compared (2026): LangGraph vs CrewAI vs OpenAI Agents SDK vs Google ADK vs Microsoft Agent Framework
The 2026 buyer's map of open-source agent frameworks. Not 'which is best' — which fits your workload. The five that matter (LangGraph, CrewAI, OpenAI Agents SDK, Google ADK, Microsoft Agent Framework), the three execution models under the hood (graph, crew, handoff), the seven axes that actually decide the choice (code-first vs low-code, provider lock-in, durability, multi-agent strength, language, deployment, observability), where AutoGen went, and why MCP + A2A make the pick less permanent than it feels.
Niche: ai coding agent