DeepSeek V4 for Coding: Complete Developer Guide
Why DeepSeek V4 for Coding?
- 90% HumanEval - Matches GitHub Copilot
- Completely free - Save $120/year vs Copilot
- 50+ languages - From Python to Rust
- No IDE lock-in - Use anywhere
Getting Started
Option 1: Web Interface
Visit NoteLM.ai/free-deepseek-v4/coding and start coding immediately.
Option 2: API Integration
from openai import OpenAI
client = OpenAI(
api_key="your-key",
base_url="https://api.notelm.ai/v1"
)
response = client.chat.completions.create(
model="deepseek-v4",
messages=[
{"role": "system", "content": "You are an expert programmer."},
{"role": "user", "content": "Write a binary search in Python"}
]
)
Best Use Cases
1. Code Generation
Ask DeepSeek V4 to write complete functions:
Write a Python function that:
- Takes a list of dictionaries
- Groups them by a specified key
- Returns a dict of lists
Include type hints and docstrings.
2. Debugging
Paste your buggy code:
This function should return the sum but returns 0:
[your code here]
Find and fix the bug.
3. Code Review
Get feedback on your code:
Review this code for:
- Performance issues
- Security vulnerabilities
- Best practices
[your code here]
4. Documentation
Generate docs automatically:
Write comprehensive documentation for this function:
[your code here]
Include docstring, usage examples, and edge cases.
Supported Languages
| Language | Support Level |
|---|
| Python | ⭐⭐⭐⭐⭐ |
| JavaScript/TS | ⭐⭐⭐⭐⭐ |
| Java | ⭐⭐⭐⭐ |
| C++ | ⭐⭐⭐⭐ |
| Go | ⭐⭐⭐⭐ |
| Rust | ⭐⭐⭐⭐ |
| SQL | ⭐⭐⭐⭐⭐ |
| React/Vue | ⭐⭐⭐⭐⭐ |
Pro Tips
- 1.Be specific about requirements
- 2.Provide context - existing code, constraints
- 3.Ask for explanations to learn
- 4.Iterate - refine with follow-up questions
| Feature | DeepSeek V4 | GitHub Copilot |
|---|
| Price | Free | $10/month |
| HumanEval | 90% | 89% |
| IDE Integration | Via API | Native |
| Context | 128K | Variable |
DeepSeek V4 is a powerful, free coding assistant. For most developers, it eliminates the need for paid subscriptions.
Start coding free → DeepSeek V4 Coding