How much does GPT 5.6 Terra cost?

GPT 5.6 Terra is billed pay-as-you-go at $2.10 per 1M input tokens and $11.50 per 1M output tokens. There is no subscription — you only pay for what you use.

What can GPT 5.6 Terra do?

GPT 5.6 Terra is OpenAI's chat model, accessible through the Api.Airforce API.

Is GPT 5.6 Terra free to use?

GPT 5.6 Terra is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use GPT 5.6 Terra via the API?

GPT 5.6 Terra is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gpt-5.6-terra with your Api.Airforce API key.

Who makes GPT 5.6 Terra?

GPT 5.6 Terra is OpenAI's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

OpenAIPaidOperational

GPT 5.6 Terra

API model name: gpt-5.6-terra

GPT 5.6 Terra is OpenAI's chat model, served on the Api.Airforce unified API. It is priced at $2.10 per million input tokens and $11.50 per million output tokens. That is below the provider's $2.50 official input rate. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.

Get an API key View pricing

Pricing

Input / 1M tokens

$2.10

Output / 1M tokens

$11.50

Cache read / 1M tokens

$0.30

Cache write / 1M tokens

$2.70

Official input rate

$2.50

Official output rate

$15.00

Api.Airforce price vs. the provider's official rate.

Specifications

Provider: OpenAI
Type: chat model

What is GPT 5.6 Terra used for?

Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.

GPT 5.6 Terra vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
GPT 5.6 Terra	—	—	$2.10	$11.50
GPT 3.5	—	—	$1.11	$3.30
GPT 3.5 Turbo 16k	—	—	$10.26	$20.52
GPT 4	—	8K	$6.42	$12.84

Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.

GPT 5.6 Terra — frequently asked questions

How much does GPT 5.6 Terra cost?: GPT 5.6 Terra is billed pay-as-you-go at $2.10 per 1M input tokens and $11.50 per 1M output tokens. There is no subscription — you only pay for what you use.
What can GPT 5.6 Terra do?: GPT 5.6 Terra is OpenAI's chat model, accessible through the Api.Airforce API.
Is GPT 5.6 Terra free to use?: GPT 5.6 Terra is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use GPT 5.6 Terra via the API?: GPT 5.6 Terra is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gpt-5.6-terra with your Api.Airforce API key.
Who makes GPT 5.6 Terra?: GPT 5.6 Terra is OpenAI's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use GPT 5.6 Terra via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass gpt-5.6-terra as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.6-terra",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'

Python

from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
    model="gpt-5.6-terra",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
  model: "gpt-5.6-terra",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);