Pip install langchain anthropic. Setup: Install langchain-anthropic and set environment variable ANTHROPIC_API_KEY. Initialize the model as: message = HumanMessage(content="What is the capital of France?") The README also mentions installation instructions (`pip install -U langchain`) and links to various resources including tutorials, how-to guides, conceptual guides, and API references. Anthropic is an AI safety and research company, and is the creator of Claude. ChatAnthropic [source] ¶ Bases: BaseChatModel Anthropic chat models. pip install -U anthropic[bedrock]. temperature: float Sampling temperature. anthropic. max_tokens: Optional [int] Max number of tokens to generate. 0 to 1. You can do this with the following command: Anthropic Anthropic is an AI safety and research company, and is the creator of Claude. To use, you should have an Anthropic API key configured. For setup instructions, please see the Installation and Environment Setup sections of the Anthropic Platform page. We'll need to get an Anthropic API key and set the ANTHROPIC_API_KEY environment variable: Anthropic Anthropic is an AI safety and research company, and is the creator of Claude. E. You can then import and instantiate a separate AnthropicBedrock class, the rest of the API is the same. g. max_retries: int Max number of retries if a request fails. Anthropic recommends using their chat models over text completions. Jun 26, 2025 · langchain-anthropic An integration package connecting AnthropicMessages and LangChain Installation In a virtualenv (see these instructions if you need to create one): pip3 install langchain-anthropic For the current stable version, see this version (Latest). The latest and most popular Anthropic models are chat completion models, and the text completion models have been deprecated. Key init args — client params: timeout: Optional [float] Timeout for requests. Installation and Setup To use Anthropic models, you need to install a python package: Key init args — completion params: model: str Name of Anthropic model to use. Jul 3, 2025 · This package contains the LangChain integration for Anthropic's generative models. Installation and Setup To use Anthropic models, you need to install a python package: Anthropic All functionality related to Anthropic models. This page covers all integrations between Anthropic models and LangChain. . We'll need to get an Anthropic API key and set the ANTHROPIC_API_KEY environment variable: This example goes over how to use LangChain to interact with Anthropic models. chat_models. com/en/docs/models-overview for a list of the latest models. api_key How to install LangChain packages The LangChain ecosystem is split into different packages, which allow you to choose exactly which pieces of functionality to install. 0. See https://docs. Official release To install the main langchain package, run: You are currently on a page documenting the use of Anthropic legacy Claude 2 models as text completion models. Installation To use Anthropic models, you will need to install the langchain-anthropic package. Jul 3, 2025 · This library also provides support for the Anthropic Bedrock API if you install this library with the bedrock extra, e. This blog provides a comprehensive guide to the complete working process of Anthropic integration in LangChain as of May 14, 2025, including steps to obtain an API key, configure the environment, and integrate the API, along with core concepts, techniques, practical applications, advanced strategies, and a unique section on optimizing Anthropic Dec 9, 2024 · class langchain_anthropic. This notebook covers how to get started with Anthropic chat models. “claude-3-sonnet-20240229”. Ranges from 0. You can see their recommended models here. yfcq mcnbgu czsey qnpf jdge mqsg gcfop wnq jskyz rjazzrc