本文详述了如何通过检索增强生成(RAG)技术构建一个能够利用特定文档集合回答问题的AI系统。通过LangChain框架，可以实现超越预训练模型知识范围的定制化问答能力，适用于专业领域的精准信息检索与生成。 RAG技术概述及其重要性 在深入技术实现前，需要理解 ...

在本教程中，我们将会研究 LangChain 的细节，这是一个利用语言模型开发应用程序的框架。首先，我们会介绍有关语言模型的基本概念，这将对本教程有一定的辅助作用。 尽管 LangChain 主要提供了 Python 和 JavaScript/TypeScript 语言的版本，但是也有在 Java 中使用 ...

LangChain is a modular framework for Python and JavaScript that simplifies the development of applications that are powered by generative AI language models. Using large language models (LLMs) is ...

The generative AI movement of OpenAI's ChatGPT and its derivatives is perhaps best known for bad rap lyrics and automated programming assistance. But a new open-source framework riding on top of large ...

LangChain is an SDK that simplifies the integration of large language models and applications by chaining together components and exposing a simple and unified API. Here’s a quick primer. If you are a ...

① OpenAI在LangSmith用户群中继续稳居最常使用的大语言模型供应商宝座，其使用率是排名第二的Ollama的六倍以上。 ② 开源模型的采用率有了显著增长，特别是Ollama和Groq两家公司，它们支持用户运行开源模型，并在今年成功跻身行业前五。 ③ 智能体受到关注 ...

The emerging field of AI orchestration just got an additional boost of confidence with the alpha release of LangChain’s two flagship platforms, LangGraph and LangChain version 1.0. Graduating to a 1.0 ...

LangChain, an AI infrastructure startup providing tools to build and monitor LLM-powered applications, is raising a new round of funding at an approximate $1 billion valuation led by IVP, according to ...

What if your AI could remember every meaningful detail of a conversation—just like a trusted friend or a skilled professional? In 2025, this isn’t a futuristic dream; it’s the reality of ...