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The most common way to use llm.kiwi in Node.js is through the official OpenAI library, as our API is fully compatible.

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Installation

npm install openai

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Basic Usage

Initialize the client with your API key and our custom base URL. 
import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: process.env.LLM_KIWI_API_KEY,
  baseURL: 'https://api.llm.kiwi/v1'
});

async function main() {
  const completion = await client.chat.completions.create({
    messages: [{ role: 'user', content: 'Explain quantum computing in one sentence.' }],
    model: 'pro',
  });

  console.log(completion.choices[0].message.content);
}

main();

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Streaming

For real-time responses, use the streaming feature. 
const stream = await client.chat.completions.create({
  model: 'fast',
  messages: [{ role: 'user', content: 'Write a long poem about kiwis.' }],
  stream: true,
});

for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content || '');
}

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TypeScript Configuration

If you’re using TypeScript, the types from the openai package will work out of the box. 
import { OpenAI } from 'openai';

const client: OpenAI = new OpenAI({
  apiKey: 'YOUR_KEY',
  baseURL: 'https://api.llm.kiwi/v1'
});