OpenAI API pricing

GPT-6 Astra pricing

Input / 1M tokens
$10
Output / 1M tokens
$50
Cached input / 1M
$1

Prompts over 272,000 tokens cost $20 in and $75 out per million, for the whole request.

Source: OpenAI pricing, checked 1 Nov 2026. API name: gpt-6-astra.

Price your prompt on GPT-6 Astra

What a prompt costs on GPT-6 Astra

ExampleTokens in / outCost1,000 a day, per month
A short question and answer50 / 300$0.015$465.00
A one-page document summarised700 / 400$0.027$810.00
A 300-line code file reviewed4,000 / 1,200$0.100$3,000
A 50-page report summarised35,000 / 1,500$0.425$12,750

Token sizes are typical, not exact. Replies include any thinking the model does.

Other GPT models

GPT-6.1 SolGPT-6.1 TerraGPT-6 LunaGPT-5.5GPT-5.4 miniGPT-5 nano

FAQ

How much does GPT-6 Astra cost?

$10 per million input tokens and $50 per million output tokens on OpenAI's standard API tier, and $1 per million for cached input. Checked 1 Nov 2026.

What does one prompt cost on GPT-6 Astra?

A 1,000-token prompt with a typical medium-length reply costs about $0.050. Paste your own prompt into the calculator for an exact figure.