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# PR Message - **Description:** This PR adds a README file for the Anthropic API in the `libs/partners` folder of this repository. The README includes: - A brief description of the Anthropic package - Installation & API instructions - Usage examples - **Issue:** [17545](https://github.com/langchain-ai/langchain/issues/17545) - **Dependencies:** None Additional notes: This change only affects the docs package and does not introduce any new dependencies. --------- Co-authored-by: Bagatur <baskaryan@gmail.com> |
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| langchain_anthropic | ||
| scripts | ||
| tests | ||
| .gitignore | ||
| LICENSE | ||
| Makefile | ||
| poetry.lock | ||
| pyproject.toml | ||
| README.md | ||
langchain-anthropic
This package contains the LangChain integration for Anthropic's generative models.
Installation
pip install -U langchain-anthropic
Chat Models
| API Model Name | Model Family |
|---|---|
| claude-instant-1.2 | Claude Instant |
| claude-2.1 | Claude |
| claude-2.0 | Claude |
To use, you should have an Anthropic API key configured. Initialize the model as:
from langchain_anthropic import ChatAnthropicMessages
from langchain_core.messages import AIMessage, HumanMessage
model = ChatAnthropicMessages(model="claude-2.1", temperature=0, max_tokens=1024)
Define the input message
message = HumanMessage(content="What is the capital of France?")
Generate a response using the model
response = model.invoke([message])
For a more detailed walkthrough see here.