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Anthropic

Anthropic is an AI safety and research company, and is the creator of Claude. This page covers all integrations between Anthropic models and LangChain.

Installation and Setup​

To use Anthropic models, you need to install a python package:

pip install -U langchain-anthropic

You need to set the ANTHROPIC_API_KEY environment variable. You can get an Anthropic API key here

Chat Models​

ChatAnthropic​

See a usage example.

from langchain_anthropic import ChatAnthropic

model = ChatAnthropic(model='claude-3-opus-20240229')
API Reference:ChatAnthropic

LLMs​

[Legacy] AnthropicLLM​

NOTE: AnthropicLLM only supports legacy Claude 2 models. To use the newest Claude 3 models, please use ChatAnthropic instead.

See a usage example.

from langchain_anthropic import AnthropicLLM

model = AnthropicLLM(model='claude-2.1')
API Reference:AnthropicLLM

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