Glm 4.5 Air API
Run glm-4.5-air through FastInfra's OpenAI-compatible API.
Pay per token, no subscription, routed to the cheapest available provider.
Glm 4.5 Air pricing
Billed per token used. Prices sync automatically from wholesale providers.
| Direction | Price per 1M tokens |
|---|---|
| Input | $0.14 |
| Output | $0.89 |
Served by 3 providers
Requests route to OpenRouter by default (cheapest).
Pin a specific provider with the :provider suffix.
| Provider | Upstream model ID |
|---|---|
| openrouter | z-ai/glm-4.5-air |
| siliconflow | zai-org/GLM-4.5-Air |
| zai | glm-4.5-air |
Call Glm 4.5 Air in 30 seconds
Works with any OpenAI SDK — change the base URL and API key only.
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!"}]
}'Glm 4.5 Air — common questions
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.
Which providers serve glm-4.5-air?
glm-4.5-air is available from 3 provider(s): openrouter, siliconflow, zai. Requests route to OpenRouter by default (cheapest); append ":provider" to the model ID to pin one.
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