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Integrations: Chat Models

LangChain offers a number of Chat Models implementations that integrate with various model providers. These are:

OpenAI​

import { ChatOpenAI } from "langchain/chat_models";

// Expects an OpenAI API key to be set in the env variable OPENAI_API_KEY
const model = new ChatOpenAI({ temperature: 0.9 });

Anthropic​

import { ChatAnthropic } from "langchain/chat_models";

// Expects an Anthropic API key to be set in the env variable ANTHROPIC_API_KEY
const model = new ChatAnthropic({ temperature: 0.9 });