GPT-6 Astra · 12-hour cache writes · 2M tokens

Two million tokens of 12-hour cache writes on GPT-6 Astra at $25 per million with the 10% volume discount priced in - the long-lived cache tier OpenAI publishes.

What you get

• 2M tokens of cache write 12h tokens on one API key. Order several units to stack tokens on the same key.
• A personal API key for gpt-6-astra, issued automatically once your order is completed.
• Priced at $25.00 per million cache write 12h tokens. The 10% volume discount is already included. Source: OpenAI's own pricing page.
• 1,050,000 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

• 12-hour TTL
• Bulk
• 10% volume discount
• Long-running agents

Best for

Agents that keep the same context for a whole day.

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-6-astra",
        "input": "Write a one-sentence bedtime story about a unicorn.",
    },
)
print(resp.json()["output"][0]["content"][0]["text"])