How much does GPT 5 Mini cost?

GPT 5 Mini is billed pay-as-you-go at $0.21 per 1M input tokens and $1.72 per 1M output tokens. There is no subscription — you only pay for what you use.

Is GPT 5 Mini free to use?

GPT 5 Mini is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use GPT 5 Mini via the API?

GPT 5 Mini is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gpt-5-mini with your Api.Airforce API key.

Who makes GPT 5 Mini?

GPT 5 Mini is OpenAI's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

OpenAIPaidOperational

GPT 5 Mini

API model name: gpt-5-mini

GPT 5 Mini is OpenAI's chat model, served on the Api.Airforce unified API. Capabilities include Reasoning. It is priced at $0.21 per million input tokens and $1.72 per million output tokens. That is below the provider's $0.25 official input rate. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.

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Pricing

Input / 1M tokens

$0.21

Output / 1M tokens

$1.72

Cache read / 1M tokens

$0.01

Official input rate

$0.25

Official output rate

$2.00

Api.Airforce price vs. the provider's official rate.-14%

Specifications

Provider: OpenAI
Type: chat model

Capabilities

Reasoning

Benchmarks

Independent evaluations and measured speed from Artificial Analysis.

Measured atSame model, different reasoning effort.

Intelligence Index

31.6/100

Math Index

85.0/100

MMLU-Pro83%

GPQA Diamond80%

Humanity's Last Exam16%

LiveCodeBench69%

AIME 202585%

SciCode41%

GPT-5 mini (medium) · 14.3–31.6

Source: Benchmark data by Artificial Analysis (artificialanalysis.ai)

What is GPT 5 Mini used for?

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

GPT 5 Mini vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
GPT 5 Mini	31.6	—	$0.21	$1.72
Babbage 002	—	—	$0.34	$0.34
Chatgpt 4o Latest	—	—	$2.75	$14.50
Codex Auto Review	—	—	$0.33	$1.99

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

GPT 5 Mini — frequently asked questions

How much does GPT 5 Mini cost?: GPT 5 Mini is billed pay-as-you-go at $0.21 per 1M input tokens and $1.72 per 1M output tokens. There is no subscription — you only pay for what you use.
What can GPT 5 Mini do?: GPT 5 Mini supports Reasoning.
Is GPT 5 Mini free to use?: GPT 5 Mini is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use GPT 5 Mini via the API?: GPT 5 Mini is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gpt-5-mini with your Api.Airforce API key.
Who makes GPT 5 Mini?: GPT 5 Mini 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 Mini via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass gpt-5-mini 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-mini",
    "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-mini",
    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-mini",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);