How much does GPT 5.3 Chat cost?

GPT 5.3 Chat is billed per generation rather than per token. See the pricing page for the current rate.

What can GPT 5.3 Chat do?

GPT 5.3 Chat supports Reasoning.

Is GPT 5.3 Chat free to use?

GPT 5.3 Chat is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use GPT 5.3 Chat via the API?

GPT 5.3 Chat is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gpt-5.3-chat with your Api.Airforce API key.

Who makes GPT 5.3 Chat?

GPT 5.3 Chat is OpenAI's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

OpenAIPaidOperational

GPT 5.3 Chat

API model name: gpt-5.3-chat

GPT 5.3 Chat is OpenAI's chat model, served on the Api.Airforce unified API. Capabilities include Reasoning. 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

—

Output / 1M tokens

—

Official input rate

$1.75

Official output rate

$14.00

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

Specifications

Provider: OpenAI
Type: chat model

Capabilities

Reasoning

What is GPT 5.3 Chat used for?

Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.
Complex reasoning — math, coding and step-by-step problem solving.

GPT 5.3 Chat vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
GPT 5.3 Chat	—	—	—	—
Codex Auto Review	—	—	$0.23	$1.42
GPT 3.5	—	—	$0.14	$0.42
GPT 3.5 Turbo	—	—	$0.14	$0.42

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

GPT 5.3 Chat — frequently asked questions

How much does GPT 5.3 Chat cost?: GPT 5.3 Chat is billed per generation rather than per token. See the pricing page for the current rate.
What can GPT 5.3 Chat do?: GPT 5.3 Chat supports Reasoning.
Is GPT 5.3 Chat free to use?: GPT 5.3 Chat is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use GPT 5.3 Chat via the API?: GPT 5.3 Chat is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gpt-5.3-chat with your Api.Airforce API key.
Who makes GPT 5.3 Chat?: GPT 5.3 Chat is OpenAI's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use GPT 5.3 Chat via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass gpt-5.3-chat 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-5.3-chat",
    "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-5.3-chat",
    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-5.3-chat",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);