How much does Qwen3 4b cost?

Qwen3 4b is billed pay-as-you-go at $0.06 per 1M input tokens and $0.27 per 1M output tokens. There is no subscription — you only pay for what you use.

What can Qwen3 4b do?

Qwen3 4b is Alibaba's chat model, accessible through the Api.Airforce API.

Is Qwen3 4b free to use?

Qwen3 4b is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use Qwen3 4b via the API?

Qwen3 4b is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID qwen3-4b with your Api.Airforce API key.

Qwen3 4b is Alibaba's chat model, served through the unified Api.Airforce gateway alongside 65+ other models.

AlibabaPaidOperational

Qwen3 4b

API model name: qwen3-4b

Qwen3 4b is Alibaba's chat model, served on the Api.Airforce unified API. It is priced at $0.06 per million input tokens and $0.27 per million output tokens. Access it through the OpenAI-compatible API with one key, alongside 65+ other models on Api.Airforce.

Get an API key View pricing

Pricing

Input / 1M tokens

$0.06

Output / 1M tokens

$0.27

Specifications

Provider: Alibaba
Type: chat model

What is Qwen3 4b used for?

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

Qwen3 4b vs. similar models

Model	Context	Input / 1M	Output / 1M
Qwen3 4b	—	$0.06	$0.27
Qwen Max	—	$0.51	$2.07
Qwen Plus	—	$0.18	$0.42
Qwen Turbo	—	—	—

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

Qwen3 4b — frequently asked questions

How much does Qwen3 4b cost?: Qwen3 4b is billed pay-as-you-go at $0.06 per 1M input tokens and $0.27 per 1M output tokens. There is no subscription — you only pay for what you use.
What can Qwen3 4b do?: Qwen3 4b is Alibaba's chat model, accessible through the Api.Airforce API.
Is Qwen3 4b free to use?: Qwen3 4b is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use Qwen3 4b via the API?: Qwen3 4b is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID qwen3-4b with your Api.Airforce API key.
Who makes Qwen3 4b?: Qwen3 4b is Alibaba's chat model, served through the unified Api.Airforce gateway alongside 65+ other models.

All models·Quickstart·Chat API reference

Use Qwen3 4b via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass qwen3-4b as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen3-4b",
    "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="qwen3-4b",
    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: "qwen3-4b",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);