OpenAI Python SDK

Prerequisites

Python 3.8+
A Chuizi.AI account with an API key (starts with ck-)

Installation

terminal

bash

pip install openai

Basic Usage

example.py

python

from openai import OpenAI

client = OpenAI(
    base_url="https://api.chuizi.ai/v1",
    api_key="ck-your-key-here",
)

response = client.chat.completions.create(
    model="anthropic/claude-sonnet-4-6",
    messages=[
        {"role": "user", "content": "Hello!"}
    ],
)

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

Next Steps

Streaming Guide — implement token-by-token streaming
Function Calling — let models call your tools
Migration Guide — full migration walkthrough from OpenAI direct