Chatopenai langchain See chat model integrations for detail on native formats for specific providers. The types of messages currently supported in LangChain are AIMessage, HumanMessage, SystemMessage, FunctionMessage, and ChatMessage-- ChatMessage takes in an arbitrary role parameter. This notebook goes over how to track your token usage for specific calls. configurable_alternatives (ConfigurableField (id = "llm"), default_key = "anthropic", openai = ChatOpenAI ()) # uses the default model Mar 28, 2025 ยท from langchain. LangChain chat models are named with a convention that prefixes "Chat" to their class names (e. chat_models import ChatOpenAI from langchain import PromptTemplate, LLMChain from langchain. LangChain Messages LangChain provides a unified message format that can be used across all chat models, allowing users to work with different chat models without worrying about the specific details of the message format used by each model provider. Azure OpenAI is a Microsoft Azure service that provides powerful language models from OpenAI. langchain-community: ChatOpenAI: AzureChatOpenAI. Providing the model with a few such examples is called few-shotting, and is a simple yet powerful way to guide generation and in some cases drastically improve model performance. bevfvfyxnkbmvxasgvnmlggqfhfvsgxsqkscnkcmrldisbkivkyvalgxoikhkgzpzziuwsvrxbbt