Best AutoGen alternatives

Open-source framework for building LLM applications, with integrations for over 100 model providers and a standard agent loop around create_agent.

LangChain's graph-based runtime for stateful agents, modeling each step as a node with checkpointing at every super-step for time-travel debugging.

Standalone Python framework for multi-agent systems, with no LangChain dependency, where agents get a role, a goal, and tools, then collaborate.

Open-source data framework for RAG and agents over enterprise data, with 150-plus connectors through LlamaHub for sources like Notion and SQL.

Lightweight open-source framework from OpenAI for multi-agent workflows with handoffs, guardrails and built-in tracing.