glm-5.3-flash

from openai import OpenAI

client = OpenAI(
  base_url="https://api.openroute.cn/v1",
  api_key="<ONTOROUTE_API_KEY>",
)

completion = client.chat.completions.create(
  model="z-ai/glm-5.3-flash",
  messages=[
    {
      "role": "user",
      "content": "Write a one-sentence bedtime story about a unicorn.",
    }
  ],
)

print(completion.choices[0].message.content)