GPT-5.4 Mini · 20M output tokens

Twenty million output tokens on GPT-5.4 Mini with the 10% volume discount priced in.

What you get

• 20M tokens of output tokens on one API key. Order several units to stack tokens on the same key.
• A personal API key for gpt-5.4-mini, issued automatically once your order is completed.
• Priced at $4.50 per million output tokens. The 10% volume discount is already included. Source: OpenAI's own pricing page.
• 400,000 context · 128,000 max output · reasoning effort: low / medium / high / xhigh / max · vision: Yes
• No shipping: delivery is digital, under My Account > Order History and by email.

Capabilities

• 400K context
• 128K output
• Bulk
• 10% volume discount

Best for

A whole product's generation budget on the mini tier.

Quick start

# pip install openai   (the sample below calls the endpoint directly)

import os, requests

resp = requests.post(
    "https://api.openai.com/v1/responses",
    headers={
        "Authorization": "Bearer " + os.environ["OPENAI_API_KEY"],
        "Content-Type": "application/json",
    },
    json={
        "model": "gpt-5.4-mini",
        "input": "Write a one-sentence bedtime story about a unicorn.",
    },
)
print(resp.json()["output"][0]["content"][0]["text"])