China Mobile Cloud Coding Plan Tutorial: Jiutian Large Model API Integration Practice (2026 Latest)

2026-04-22

Article Author: 程序员晚枫 | AI Programming Advocate | Specializing in AI Tool Reviews & Teaching
400,000+ followers across platforms, 6 years Python development experience, creator of python-office open-source project

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Hey everyone, this is 程序员晚枫 (Programmer Wanfeng).

Today I'm bringing you a hands-on tutorial for China Mobile Cloud Coding Plan, walking you through integrating China Mobile's Jiutian large model API.

1. Prerequisites

What You Need

A China Mobile Cloud account
Real-name verification (required for domestic services)
Python environment (3.8+)

2. Getting an API Key

Step 1: Visit the Official Website

👉 Click to View China Mobile Cloud Coding Plan Details

Find the China Mobile entry and go to the Jiutian large model page.

Step 2: Activate Service

Log into China Mobile Cloud console
Search for "九天大模型"
Activate the service
Get your API Key

Step 3: Install SDK (Optional)

1	pip install cmcc-ai-sdk

3. Code Calling Practice

Basic Call

import requests

# China Mobile API configuration
api_key = "your-API-Key"
url = "https://api.cmcc.cn/jiutian/v1/chat"

headers = {
    "Authorization": f"Bearer {api_key}",
    "Content-Type": "application/json"
}

payload = {
    "model": "jiutian-qianyuan",
    "messages": [
        {"role": "user", "content": "Help me write a Python quicksort"}
    ]
}

response = requests.post(url, headers=headers, json=payload)
result = response.json()
print(result["choices"][0]["message"]["content"])

Code Completion Example

def code_completion(prompt):
    response = requests.post(
        url,
        headers=headers,
        json={
            "model": "jiutian-qianyuan",
            "messages": [
                {"role": "system", "content": "You are a Python coding assistant"},
                {"role": "user", "content": f"Complete the following code:\n{prompt}"}
            ]
        }
    )
    return response.json()["choices"][0]["message"]["content"]

result = code_completion("def quick_sort(arr):")
print(result)

4. China Mobile Cloud-Specific Features

1. Voice + AI Fusion

China Mobile Cloud supports voice + AI fusion services:

# Voice input
audio = "your-audio-file-path"
response = requests.post(
    "https://api.cmcc.cn/jiutian/v1/audio",
    headers=headers,
    files={"audio": open(audio, "rb")}
)
print(response.json()["text"])

2. Carrier Network Optimization

China Mobile's APIs are usually very fast domestically with low latency.

5. FAQs

Q1: What versions of Jiutian are there?

Version	Description
jiutian-qianyuan	Flagship version, best results
jiutian-kunyu	General version, great value
jiutian-xunfei	Voice fusion version

Q2: Is there a free tier?

New users get a free trial quota — check the official site for specifics.

Q3: How fast is the response?

With carrier network support, response time is typically within 1–2 seconds.

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Author: 程序员晚枫 (Programmer Wanfeng), across all platforms, specializing in AI tool reviews and Python automation office teaching.

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