GPT-5.4 Mini · 10M input tokens

Ten million input tokens on GPT-5.4 Mini at $0.75 per million - the tier OpenAI positions for coding, computer use and subagents at volume.

What you get

• 10M tokens of input 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 $0.75 per million input tokens. 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
• Coding
• Computer use
• Subagents

Best for

High-volume agents that read a lot and pay little.

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"])