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Compare agent engineering frameworks
Put two or more frameworks side by side, field for field, with the source and the moment behind every cell.
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- LangChain
- LangGraph
- LlamaIndex
- CrewAI
- AutoGen
- Semantic Kernel
- Haystack
- DSPy
- Instructor
- Guardrails
- Vercel AI SDK
- Mastra
- smolagents
- Pydantic AI
- Ragas
- DeepEval
- Letta
- Agno
Open-source frameworks for building, orchestrating and evaluating LLM agents, tracked across GitHub, npm and PyPI. Or browse the full agent engineering frameworks directory, where the same selection sits beside every row.