Pip langchain To install LangChain using pip, you can execute the following command in your terminal: pip install langchain This command installs the main LangChain package, which serves as a foundational component for utilizing LangChain's features. 🧐 Evaluation: [BETA] Generative models are notoriously hard to evaluate with traditional metrics. For full documentation see the API reference. 对于研究目的的实验性代码，您可以安装LangChain Experimental包： pip install langchain-experimental 安装这些额外包可以帮助您更好地利用 Jun 5, 2024 · Utilities built upon the langchain library pip install langchain-qianwen Copy PIP instructions. from langchain_openai import ChatOpenAI % pip install -qU langchain_community pypdf. Anthropic recommends using their chat models over text completions. Learn how to use langchain for question answering, chatbots, retrieval augmented generation, agents, and evaluation. LangServe is automatically installed by LangChain CLI. The easiest way to start one is through Elastic pip install google-api-python-client google-auth-httplib2 google-auth-oauthlib langchain-googledrive See a usage example and authorization instructions . This is often the best starting point for individual developers. rejkehyxyuvlaijobobeotiqfuwgomtkfbivjvwceryqgmtksestsayzeqqrtwqtetsu