Doubao Seed Code Complete Guide: ByteDance's Code Generation Model

import requests

API_KEY = "your-volcano-engine-api-key"
ENDPOINT = "https://ark.cn-beijing.volces.com/api/v3/chat/completions"

response = requests.post(
    ENDPOINT,
    headers={
        "Authorization": f"Bearer {API_KEY}",
        "Content-Type": "application/json"
    },
    json={
        "model": "doubao-seed-code-latest",
        "messages": [
            {
                "role": "system",
                "content": "You are an expert programmer. Write clean, efficient code."
            },
            {
                "role": "user",
                "content": "Write a Python function that implements binary search on a sorted array. Include type hints and docstring."
            }
        ],
        "temperature": 0.1,
        "max_tokens": 2048
    }
)

result = response.json()
print(result["choices"][0]["message"]["content"])

from openai import OpenAI

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

response = client.chat.completions.create(
    model="doubao-seed-code",
    messages=[
        {
            "role": "system",
            "content": "You are an expert programmer."
        },
        {
            "role": "user",
            "content": "Write a Redis cache decorator in Python with TTL support and automatic serialization."
        }
    ],
    temperature=0.1,
    stream=True
)

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

import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: 'your-crazyrouter-key',
  baseURL: 'https://api.crazyrouter.com/v1'
});

async function generateCode(prompt) {
  const response = await client.chat.completions.create({
    model: 'doubao-seed-code',
    messages: [
      { role: 'system', content: 'You are an expert TypeScript developer.' },
      { role: 'user', content: prompt }
    ],
    temperature: 0.1,
    stream: true
  });

  for await (const chunk of response) {
    process.stdout.write(chunk.choices[0]?.delta?.content || '');
  }
}

generateCode('Create an Express middleware for rate limiting with Redis backend');

curl -X POST https://api.crazyrouter.com/v1/chat/completions \
  -H "Authorization: Bearer your-crazyrouter-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "doubao-seed-code",
    "messages": [
      {"role": "user", "content": "Write a Dockerfile for a Node.js app with multi-stage build"}
    ],
    "temperature": 0.1
  }'

review_prompt = """Review this Python code for bugs, performance issues, and best practices:

```python
def process_users(users):
    results = []
    for user in users:
        data = requests.get(f"https://api.example.com/users/{user['id']}")
        if data.status_code == 200:
            results.append(data.json())
    return results
```"""

response = client.chat.completions.create(
    model="doubao-seed-code",
    messages=[{"role": "user", "content": review_prompt}],
    temperature=0.2
)

test_prompt = """Generate pytest unit tests for this function:

def calculate_discount(price: float, tier: str, coupon: str = None) -> float:
    base_discount = {"bronze": 0.05, "silver": 0.10, "gold": 0.15, "platinum": 0.20}
    discount = base_discount.get(tier, 0)
    if coupon == "EXTRA10":
        discount += 0.10
    return round(price * (1 - discount), 2)
"""

response = client.chat.completions.create(
    model="doubao-seed-code",
    messages=[{"role": "user", "content": test_prompt}],
    temperature=0.1
)

doc_prompt = """Generate comprehensive docstrings (Google style) for all functions in this module:

import hashlib
import hmac
from datetime import datetime, timedelta

def create_token(user_id, secret, expires_in=3600):
    payload = f"{user_id}:{datetime.utcnow().timestamp() + expires_in}"
    signature = hmac.new(secret.encode(), payload.encode(), hashlib.sha256).hexdigest()
    return f"{payload}:{signature}"

def verify_token(token, secret):
    parts = token.split(":")
    if len(parts) != 3:
        return None
    user_id, expiry, signature = parts
    expected = hmac.new(secret.encode(), f"{user_id}:{expiry}".encode(), hashlib.sha256).hexdigest()
    if signature != expected or float(expiry) < datetime.utcnow().timestamp():
        return None
    return user_id
"""