How much does GLM 4.5 Air cost?

GLM 4.5 Air is billed pay-as-you-go at $0.21 per 1M input tokens and $0.87 per 1M output tokens. There is no subscription — you only pay for what you use.

What can GLM 4.5 Air do?

GLM 4.5 Air is Zhipu's chat model, accessible through the Api.Airforce API.

Is GLM 4.5 Air free to use?

GLM 4.5 Air is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use GLM 4.5 Air via the API?

GLM 4.5 Air is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID glm-4.5-air with your Api.Airforce API key.

Who makes GLM 4.5 Air?

GLM 4.5 Air is Zhipu's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

ZhipuPaidOperational

GLM 4.5 Air

API model name: glm-4.5-air

GLM 4.5 Air is Zhipu's chat model, served on the Api.Airforce unified API. It is priced at $0.21 per million input tokens and $0.87 per million output tokens. 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

$0.87

Specifications

Provider: Zhipu
Type: chat model

What is GLM 4.5 Air used for?

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

GLM 4.5 Air vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
GLM 4.5 Air	—	—	$0.21	$0.87
GLM 4	—	—	$0.06	$0.27
GPT 5 Chat	—	—	$3.30	$26.43
GPT 5 Codex	—	400K	$0.27	$2.13

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

GLM 4.5 Air — frequently asked questions

How much does GLM 4.5 Air cost?: GLM 4.5 Air is billed pay-as-you-go at $0.21 per 1M input tokens and $0.87 per 1M output tokens. There is no subscription — you only pay for what you use.
What can GLM 4.5 Air do?: GLM 4.5 Air is Zhipu's chat model, accessible through the Api.Airforce API.
Is GLM 4.5 Air free to use?: GLM 4.5 Air is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use GLM 4.5 Air via the API?: GLM 4.5 Air is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID glm-4.5-air with your Api.Airforce API key.
Who makes GLM 4.5 Air?: GLM 4.5 Air is Zhipu's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use GLM 4.5 Air via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass glm-4.5-air as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-4.5-air",
    "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="glm-4.5-air",
    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: "glm-4.5-air",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);