OpenAI Node SDK

npm install openai

const OpenAI = require("openai");

async function main() {
  const client = new OpenAI({
    apiKey: "sk-xxxx",
    baseURL: "https://api.freemodel.app/v1",
  });

  const response = await client.chat.completions.create({
    model: "gpt-5.4-mini",
    messages: [
      { role: "user", content: "Give me one API reliability tip." },
    ],
  });

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

main();

const OpenAI = require("openai");

async function main() {
  const client = new OpenAI({
    apiKey: "sk-xxxx",
    baseURL: "https://api.freemodel.app/v1",
  });

  const stream = await client.chat.completions.create({
    model: "gpt-5.4-mini",
    messages: [{ role: "user", content: "Say hello in three words." }],
    stream: true,
  });

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

main();