langchain/libs/partners/openai/langchain_openai/__init__.py

from langchain_openai.chat_models import (
    AzureChatOpenAI,
    ChatOpenAI,
)
from langchain_openai.embeddings import (
    AzureOpenAIEmbeddings,
    OpenAIEmbeddings,
)
from langchain_openai.llms import AzureOpenAI, OpenAI

__all__ = [
    "OpenAI",
    "ChatOpenAI",
    "OpenAIEmbeddings",
    "AzureOpenAI",
    "AzureChatOpenAI",
    "AzureOpenAIEmbeddings",
]