<LoginWithChatGPT />

Add a Login with ChatGPT button to your site. Let users log in with their personal ChatGPT account and run prompts on it.

You never pay OpenAI for usage. Works with users on any plan: Free, Plus, or Pro.

U ChatGPT account

const codex = new Codex();

const res = await codex.responses.create({
  model: "gpt-5.5-codex-fast",
  input: "Write a haiku about the ocean.",
});

Press ⌘↵ to send

Output

Run the snippet to stream the model’s output here.