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Last updated: August 21, 2026
How to Build a Custom AI Chatbot with OpenAI’s GPT: A Step-by-Step Tutorial
1. Setting Up Your Development Environment
- Install Python 3.10+ and required libraries:
openai,python-dotenv,flask - Create a virtual environment and manage dependencies with
requirements.txt - Obtain an OpenAI API key, store it securely in a
.🤖 Editor's Pick
Editor's Pick: AI coding guide for beginners — pairs perfectly with GPT for building custom chatbots.
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