Glm 4.5 Air API

Python

from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.fastinfra.ai/v1")

response = client.chat.completions.create(
    model="glm-4.5-air",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

curl

curl https://api.fastinfra.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-4.5-air",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

How much does the glm-4.5-air API cost?

On FastInfra, glm-4.5-air costs $0.1365/1M input, $0.8925/1M output tokens. Billing is per token used, with no subscription.

Is glm-4.5-air compatible with the OpenAI SDK?

Yes. FastInfra exposes glm-4.5-air through an OpenAI-compatible endpoint at https://api.fastinfra.ai/v1 — point any OpenAI SDK at that base URL with a FastInfra API key and keep your existing code.

How does routing work for glm-4.5-air?

glm-4.5-air is available on 3 route(s): route-07, route-18, route-11. Requests use route-07 by default (lowest cost). FastInfra fails over automatically if a route is unavailable.