zai-org/GLM-5.3-Flash
from openai import OpenAI
client = OpenAI(
base_url="https://api.sailresearch.com/v1",
api_key="YOUR_API_KEY",
)
response = client.chat.completions.create(
model="zai-org/GLM-5.3-Flash",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)Other free options: see every provider serving this model. Don't have a key yet? See how to get one — Sail Research asks for a payment card at sign-up.