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统一接入 GPT-5.4、GPT-5.3 Codex、Claude 4.6 Sonnet 等主流模型，兼顾编码、推理与多语言场景。
from openai import OpenAI
client = OpenAI(base_url="https://api.yourdomain.com/v1")
response = client.chat.completions.create(
model="gpt-5.4",
max_tokens=1024,
messages=[
{"role": "user", "content": "Hello"}
]
)