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LangChain.js supports calling Writer LLMs.


First, you'll need to sign up for an account at Create a service account and note your API key.

Next, you'll need to install the official package as a peer dependency:

yarn add @writerai/writer-sdk
npm install @langchain/community


import { Writer } from "@langchain/community/llms/writer";

const model = new Writer({
maxTokens: 20,
apiKey: "YOUR-API-KEY", // In Node.js defaults to process.env.WRITER_API_KEY
orgId: "YOUR-ORGANIZATION-ID", // In Node.js defaults to process.env.WRITER_ORG_ID
const res = await model.invoke(
"What would be a good company name a company that makes colorful socks?"
console.log({ res });

API Reference:

  • Writer from @langchain/community/llms/writer

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