AI Creators
Alex Finn
ChatGPT 5.5 Codex is the greatest AI coding tool ever. Here's how to use it
Apr 30, 2026
Key Points
- 1.ChatGPT 5.5 Codex is touted as the best AI coding tool for app development.
- 2.The video involves building a stock investment app from scratch using Codex.
- 3.Key features include UI design with integrated Image Gen model and tips for efficient workflows.
- 4.No prior coding experience is necessary to follow along and build the app.
Summary
Introduction to ChatGPT 5.5 Codex
Alex Finn praises ChatGPT 5.5 Codex as the top AI tool for app development, emphasizing its user-friendly interface and unique features. The video aims to provide a hands-on experience, encouraging viewers to build alongside him.
Building a Stock Investment App
The primary objective of the video is to create a comprehensive stock investment application that allows users to track investments, conduct research, and view charts. Alex outlines the step-by-step process to build the app's front end and back end.
Using the Image Gen Model
A standout feature of Codex is the integrated Image Gen model, which allows users to design the app's user interface before coding starts. Alex demonstrates how to generate visually appealing UI options using this innovative feature.
Cost and Accessibility
ChatGPT Codex is accessible for free or through a monthly subscription, making it a cost-effective option compared to competitors like Claude. Alex points out that its capabilities make it suitable for users with varying budgets.
Tips and Best Practices
Throughout the video, Alex shares essential tips, tricks, and workflows that enhance the development experience. Viewers are promised insights that will help them become proficient in using Codex for app development.
Worth watching for
This video is for individuals interested in coding and app development, regardless of their prior programming experience.