LangExtract

Open-source text-to-SQL and text-to-chart GenBI agent with a semantic layer. Ask your database questions in natural language and get accurate SQL, charts, and BI insights. Supports 12+ data sources and any LLM.

集成语义搜索、LLM 编排和语言模型工作流的全能 AI 框架，支持 Agent、RAG 和向量数据库

In-depth tutorials on LLMs, RAGs and real-world AI agent applications. Rich notebook examples for learning AI engineering practices.

Open-source deep research agent from Alibaba Tongyi Lab, using multi-stage iterative information retrieval and reasoning to conduct deep analysis, synthesis, and summarization of complex topics with web search and document analysis.