How much does GLM 4 cost?

GLM 4 is billed pay-as-you-go at $6.10 per 1M input tokens and $7.71 per 1M output tokens. There is no subscription — you only pay for what you use.

GLM 4 is Z.ai's chat model, accessible through the Api.Airforce API.

Is GLM 4 free to use?

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

How do I use GLM 4 via the API?

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

GLM 4 is Z.ai's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

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GLM 4

API model name: glm-4

GLM 4 is Z.ai's chat model, served on the Api.Airforce unified API. It is priced at $6.10 per million input tokens and $7.71 per million output tokens. That is below the provider's $13.89 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

$6.10

Output / 1M tokens

$7.71

Cache read / 1M tokens

$0.01

Official input rate

$13.89

Official output rate

$13.89

Api.Airforce price vs. the provider's official rate.-44%

Specifications

Provider: Z.ai
Type: chat model

What is GLM 4 used for?

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

GLM 4 vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
GLM 4	—	—	$6.10	$7.71
GLM 4 Airx	—	—	$0.58	$0.62
GLM 4 Flash	—	—	$0.03	$0.08
GLM 4 Long	—	—	$0.08	$0.12

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

GLM 4 — frequently asked questions

How much does GLM 4 cost?: GLM 4 is billed pay-as-you-go at $6.10 per 1M input tokens and $7.71 per 1M output tokens. There is no subscription — you only pay for what you use.
What can GLM 4 do?: GLM 4 is Z.ai's chat model, accessible through the Api.Airforce API.
Is GLM 4 free to use?: GLM 4 is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use GLM 4 via the API?: GLM 4 is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID glm-4 with your Api.Airforce API key.
Who makes GLM 4?: GLM 4 is Z.ai's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use GLM 4 via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass glm-4 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",
    "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",
    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",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);