The most popular open-source framework for building LLM-powered applications. Supports agents, RAG, tool use, and multi-step workflows. 🔗 文章: /post/best-python-ai-agent-frameworks-2026 | Stars 100k+
LangChain is the most popular open-source framework for building LLM-powered applications. Supports agents, RAG, and chains. Stars 100k+.