Models / Z.ai

GLM 4.5 Air API pricing

$0.56 in, $3.44 out per million tokens.

glm-4.5-airmanaged routeOpenAI SDK

Price · per million tokens, USD

Get a key
TokensZ.ai list priceUplinkSwitchSaving
Input—$0.56—
Cached inputBilled at the input rate.
Output—$3.44—
No list price on record.
Real-model check: Steady since Oct 20

GLM 4.5 Air: what it is · from Z.ai’s own model card, read 2026-10-20

The compact GLM-4.5, with reasoning, coding and agent abilities in one model. Z.ai released it for commercial use and further development. It is served as glm-4.5-air at $0.56 input and $3.44 output per million tokens, on the same key as every other model in the catalog.

GLM 4.5 Air
DeveloperZ.ai
Parameters106B total, 12B active per token
Context131,072 tokens in its config
LicenseMIT
Published2025-07-20
Downloads, 30 days to 2026-10-20764,275
Sourcezai-org/GLM-4.5-Air

From zai-org/GLM-4.5-Air, read 2026-10-20.

curl
curl https://api.uplinkswitch.com/v1/chat/completions \
  -H "authorization: Bearer sk-uplink-live-..." \
  -H "content-type: application/json" \
  -d '{"model":"glm-4.5-air","max_tokens":1024,"messages":[{"role":"user","content":"Hello"}]}'

GLM 4.5 Air next to Z.ai’s other models · per million tokens, live

ModelHere, in / out1,000 chat turns
GLM 5.3 FlashX$0.0488 / $0.1625$0.18
GLM 5.3 Flash$0.09 / $0.15$0.26
GLM-5.3 Flash Uncensored$0.1086 / $0.3802$0.41
GLM-4.7 Flash Uncensored$0.12 / $0.60$0.54
GLM 5.2$0.24 / $0.60$0.78
GLM-5.3 Uncensored$0.282 / $0.846$0.99
GLM 5.3$0.3276 / $1.0296$1.17
GLM 5.1$0.3824 / $1.2017$1.37
GLM-5.3 Flash Cybersecurity$0.525 / $1.75$1.93
GLM-5.3 Flash Abliterated$0.88 / $0.88$2.20
GLM-5.3 Flash Apex Abliterated$0.60 / $2.00$2.20
GLM 4.5 Air$0.56 / $3.44$2.84
GLM 5.2 Uncensored$1.095 / $4.68$4.53
GLM-4.6 Derestricted v5$1.40 / $5.25$5.43
GLM 4.7 Uncensored$1.527 / $7.27$6.69
GLM-5.3 Abliterated$2.25 / $4.50$6.75
GLM 5$3.80 / $10.20$12.70
GLM-5.3 Flash Code Uncensored$6.00 / $6.00$15.00
GLM 5V Turbo$4.80 / $16.00$17.60

A chat turn is 2,000 input and 500 output tokens. Live from the catalog, ordered by the cost of 1,000 turns.

Worked for GLM 4.5 Air: 1,000 turns are 2,000,000 input tokens and 500,000 output tokens. At $0.56 input and $3.44 output per million tokens, that is $1.12 + $1.72 = $2.84, paid from prepaid credit with no subscription.

GLM 4.5 Air API key · base URL and setup

  1. Create a key in the console at uplinkswitch.ai/console. Credit is prepaid from $10 with no subscription, and the key works at once.
  2. Point your SDK or tool at https://api.uplinkswitch.com/v1, for example with OPENAI_BASE_URL, and send the key as the bearer token.
  3. Send glm-4.5-air as the model. The same key calls every other model in the catalog.
Python · OpenAI SDK
from openai import OpenAI

client = OpenAI(
    base_url="https://api.uplinkswitch.com/v1",
    api_key="sk-uplink-live-...",
)

completion = client.chat.completions.create(
    model="glm-4.5-air",
    messages=[{"role": "user", "content": "Summarize this in one line."}],
)
print(completion.choices[0].message.content)
TypeScript · OpenAI SDK
import OpenAI from 'openai';

const client = new OpenAI({
  baseURL: 'https://api.uplinkswitch.com/v1',
  apiKey: 'sk-uplink-live-...',
});

const completion = await client.chat.completions.create({
  model: 'glm-4.5-air',
  messages: [{ role: 'user', content: 'Summarize this in one line.' }],
});
console.log(completion.choices[0].message.content);
curl
curl https://api.uplinkswitch.com/v1/chat/completions \
  -H "authorization: Bearer sk-uplink-live-..." \
  -H "content-type: application/json" \
  -d '{"model":"glm-4.5-air","messages":[{"role":"user","content":"Hello"}]}'

What would it cost? · paste a prompt, priced before you send it

Input is counted at about 4 characters per token.

Cheapest first. A real request is billed on the provider's own token count. Same estimate as JSON: POST https://api.uplinkswitch.com/v1/estimate, no key needed.

GLM 4.5 Air questions

GLM 4.5 Air is a model from Z.ai. Through UplinkSwitch it answers the OpenAI SDK on one key as glm-4.5-air.

$0.56 per million input tokens and $3.44 per million output tokens.

It is pay as you go: prepaid credit from $10, with no subscription or monthly fee, billed per token. A 1,000-token prompt with a 500-token reply costs about $0.0023.

glm-4.5-air. Send it as the model through the OpenAI SDK with base URL https://api.uplinkswitch.com/v1.

Create one in the console at uplinkswitch.ai/console: prepaid credit from $10, no subscription, and the key is live at once. The same key calls GLM 4.5 Air and every other model in the catalog; send it as the bearer token with base URL https://api.uplinkswitch.com/v1.

Every day each model gets the same test prompt, and the results are public on /proof. GLM 4.5 Air's latest result: Steady since Oct 20.

Yes: glm-4.5-air on the OpenAI format at https://api.uplinkswitch.com/v1, $0.56 input and $3.44 output per million tokens. No weights to download and no GPU of your own; the key also runs every other model in the catalog.

106B total, 12B active per token, per zai-org/GLM-4.5-Air.

131,072 tokens in its config, per zai-org/GLM-4.5-Air.

Its weights are open on Hugging Face (zai-org/GLM-4.5-Air); the license is MIT.

$0.284 for 100 chat turns of 2,000 input and 500 output tokens each, at $0.56 input and $3.44 output per million tokens, from prepaid credit with no subscription.

GLM-4.5 Air is the compact 106B model; GLM-5 is the 744B flagship from 2026. GLM 4.5 Air is $0.56 / $3.44 per million tokens in / out, $2.84 for 1,000 chat turns; GLM 5 is $3.80 / $10.20 per million tokens in / out, $12.70 for 1,000 chat turns. Both run on the same key, so send the same prompt to each.