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45 lines
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45 lines
1.0 KiB
Plaintext
# Anthropic
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>[Anthropic](https://www.anthropic.com/) is an AI safety and research company, and is the creator of `Claude`.
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This page covers all integrations between `Anthropic` models and `LangChain`.
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## Installation and Setup
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To use `Anthropic` models, you need to install a python package:
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```bash
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pip install -U langchain-anthropic
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```
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You need to set the `ANTHROPIC_API_KEY` environment variable.
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You can get an Anthropic API key [here](https://console.anthropic.com/settings/keys)
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## LLMs
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### [Legacy] AnthropicLLM
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**NOTE**: `AnthropicLLM` only supports legacy `Claude 2` models.
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To use the newest `Claude 3` models, please use `ChatAnthropic` instead.
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See a [usage example](/docs/integrations/llms/anthropic).
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```python
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from langchain_anthropic import AnthropicLLM
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model = AnthropicLLM(model='claude-2.1')
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```
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## Chat Models
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### ChatAnthropic
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See a [usage example](/docs/integrations/chat/anthropic).
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```python
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from langchain_anthropic import ChatAnthropic
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model = ChatAnthropic(model='claude-3-opus-20240229')
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```
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