See what happens in production

import { initLogger } from "braintrust";
import OpenAI from "openai";

// Call once at startup — all LLM calls are traced automatically
initLogger({
  apiKey: process.env.BRAINTRUST_API_KEY,
  projectName: "My Project",
});

const client = new OpenAI();
const response = await client.responses.create({
  model: "gpt-5-mini",
  input: "What is the capital of France?",
});

import { OpenAI } from "openai";

const client = new OpenAI({
  baseURL: "https://gateway.braintrust.dev",
  apiKey: process.env.BRAINTRUST_API_KEY,
});

async function main() {
  const response = await client.responses.create({
    model: "gpt-5-mini",
    input: [{ role: "user", content: "Say hello!" }],
  });

  console.log(response.output_text);
}

main();