GPT-5.3 Chat 上线：更少幻觉、更自然的 ChatGPT 聊天模型

from openai import OpenAI

client = OpenAI(
    api_key="your-apiyi-key",
    base_url="https://api.apiyi.com/v1"
)

response = client.chat.completions.create(
    model="gpt-5.3-chat-latest",
    messages=[
        {"role": "system", "content": "你是一个友好的助手"},
        {"role": "user", "content": "请用简洁的语言解释量子计算的基本原理"}
    ]
)

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

response = client.chat.completions.create(
    model="gpt-5.3-chat-latest",
    messages=[
        {"role": "user", "content": "写一篇关于 AI 发展趋势的短文"}
    ],
    stream=True
)

for chunk in response:
    if chunk.choices[0].delta.content:
        print(chunk.choices[0].delta.content, end="")

# 之前使用 GPT-5.2 Instant
# model="gpt-5.2-chat-latest"

# 现在使用 GPT-5.3 Chat
model="gpt-5.3-chat-latest"