Alibaba Cloud

Glm 5 3 API

Glm 5 3 on AtmoRouter — $0.0980 per million input tokens, $0.3080 per million output tokens on a 1M context, through one OpenAI-compatible key.

Input · per Mtok

$0.0980

$1.40 official

Output · per Mtok

$0.3080

$4.40 official

Off official

93.0%

vs provider list rate

Context

1M

up to 128K output

Model id

ali/glm-5.3

Use this exact id in API calls.

Modality

text

Prompt caching supported — cached input $0.0098/Mtok.

Protocols

OpenAI Chat Completions

Anthropic Messages endpoint also available for every model.

Call Glm 5 3 in one minute

curl

curl https://atmorouter.dev/v1/chat/completions \
  -H "Authorization: Bearer ar-xxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "ali/glm-5.3",
    "messages": [{"role": "user", "content": "Say hello in one word."}]
  }'

Python (OpenAI SDK)

from openai import OpenAI

client = OpenAI(
    base_url="https://atmorouter.dev/v1",
    api_key="ar-xxxxxxxxxxxx",
)

resp = client.chat.completions.create(
    model="ali/glm-5.3",
    messages=[{"role": "user", "content": "Say hello in one word."}],
)
print(resp.choices[0].message.content)

Works with anything OpenAI-compatible — Cursor, Cline, LangChain and more. See the cookbook configs at github.com/Micolaabdi/atmorouter-cookbook and the docs for the Anthropic Messages endpoint.

Questions about Glm 5 3

How much does Glm 5 3 cost per million tokens?

AtmoRouter bills $0.0980 per million input tokens and $0.3080 per million output tokens. The provider's official list rate is $1.40 / $4.40 — AtmoRouter is 93.0% below it.

Does Glm 5 3 support streaming?

Yes — server-sent events on the OpenAI-compatible endpoint, and the Anthropic Messages endpoint streams natively.

Is there a subscription or minimum spend?

No. Billing is pay-as-you-go per million tokens, metered from the upstream usage report — never estimated.

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