Z.AI: GLM 5.3

Name: GLM 5.3
Brand: Z.ai
Price: 151.8 RUB
Availability: InStock

z-ai/glm-5.3

textReasoning

A large-scale reasoning model from Z.ai for complex software engineering and long-horizon agent tasks. Better than GLM-5.2 at coding and the quality-per-token balance. Reasoning always on (Low/High/Max), 1M context. Text-only.

Pricing

Request / 1M

Response / 1M

Parameters

messagesrequired

reasoning_effortlow · high · max

temperature0–2

max_tokensoptional

streamtrue · false

How to use via API

from openai import OpenAI

client = OpenAI(base_url="https://api.mixen.ai/v1", api_key="mxn-...")
resp = client.chat.completions.create(
    model="z-ai/glm-5.3",
    messages=[{"role": "user", "content": "Привет"}],
    reasoning_effort="low",  # low · high · max
    temperature=0.7,
    max_tokens=1024,
    stream=False,
)
print(resp.choices[0].message.content)

# Стриминг: stream=True — ответ приходит чанками
for chunk in client.chat.completions.create(
    model="z-ai/glm-5.3",
    messages=[{"role": "user", "content": "Привет"}],
    stream=True,
):
    print(chunk.choices[0].delta.content or "", end="", flush=True)

Try in the botAPI docs

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