Files
langchain/libs/partners/openai
湛露先生 5fb8fd863a langchain_openai: clean duplicate code for openai embedding. (#30872)
The `_chunk_size` has not changed by method `self._tokenize`, So i think
these is duplicate code.

Signed-off-by: zhanluxianshen <zhanluxianshen@163.com>
2025-04-27 15:07:41 -04:00
..
2025-04-17 10:49:14 -04:00
2025-04-17 10:49:14 -04:00

langchain-openai

This package contains the LangChain integrations for OpenAI through their openai SDK.

Installation and Setup

  • Install the LangChain partner package
pip install langchain-openai
  • Get an OpenAI api key and set it as an environment variable (OPENAI_API_KEY)

Chat model

See a usage example.

from langchain_openai import ChatOpenAI

If you are using a model hosted on Azure, you should use different wrapper for that:

from langchain_openai import AzureChatOpenAI

For a more detailed walkthrough of the Azure wrapper, see here

Text Embedding Model

See a usage example

from langchain_openai import OpenAIEmbeddings

If you are using a model hosted on Azure, you should use different wrapper for that:

from langchain_openai import AzureOpenAIEmbeddings

For a more detailed walkthrough of the Azure wrapper, see here

LLM (Legacy)

LLM refers to the legacy text-completion models that preceded chat models. See a usage example.

from langchain_openai import OpenAI

If you are using a model hosted on Azure, you should use different wrapper for that:

from langchain_openai import AzureOpenAI

For a more detailed walkthrough of the Azure wrapper, see here