AI Tutorials July 13, 2026 • 5 min read

Building Your First LLM App with Python

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Large Language Models (LLMs) have revolutionized the way we build software. In this tutorial, we will explore how to set up your environment, connect to the OpenAI API, and build your very first AI-powered application using Django.

1. Setting up the Environment

Before we start writing code, we need to ensure our Python environment is ready. It is highly recommended to use a virtual environment to manage dependencies.

python -m venv venv
source venv/bin/activate
pip install django openai

2. Writing the Integration Code

Once the dependencies are installed, you can create a simple utility function that interacts with the OpenAI ChatCompletion endpoint. Keep your API keys secure!

import openai

def get_ai_response(prompt):
    response = openai.ChatCompletion.create(
        model="gpt-4",
        messages=[{"role": "user", "content": prompt}]
    )
    return response.choices[0].message.content

Conclusion

Building AI applications is easier than ever. With just a few lines of code, you can unlock incredible capabilities. Stay tuned for our next post where we'll discuss deploying your Django app to production!

Raj Makhijani

Founder, ProjectsHub