• Lesson
  • 12 min
  • Beginner

Getting Started with Codex

In this beginner-friendly course, you’ll learn what Codex is, how it works, and how to use it to write, understand, and improve code. Designed for new programmers and technical beginners, this course walks you step-by-step through real examples using both the web app and command-line interface (CLI).

No advanced programming experience is required. Whether you’re learning to code for the first time or looking to accelerate your workflow, this course will show you how to collaborate with AI responsibly and effectively.

Start this lesson free

7 days free, then a monthly or yearly plan. Cancel anytime.

Taught by Corey Noles

Getting Started with Codex, from The Neuron Academy

What you'll learn

  • Generate code from plain English instructions
  • Ask Codex to explain unfamiliar code.
  • Debug errors more effectively.
  • Improve and refactor programs.
  • Integrate Codex into a simple development workflow.

Curriculum

The shape of the lesson

One mark for every step, in the order you take them. 1 video, downloadable notes and a certificate of completion.

  1. What is Codex?

    Learn what Codex is and how to use it for AI-powered coding. This beginner-friendly course walks you through the web app and CLI step-by-step to help you generate, debug, and improve code with confidence.

    1. What is Codex?
  2. Downloadable

    Download the Lesson Notes for reusable prompts, authoritative links, and key points to remember fromn the lesson.

    1. Download : Download the lesson notes.
  3. Certification of Completion

    Great work! Have fun exploring Codex and finding new ways to work more efficiently.

    1. Certificate of completion

Your instructor

Corey co-hosts The Neuron’s weekly podcast and is Managing Editor of AI at TechnologyAdvice. He teaches practical AI workflows for real-world work.

Questions about this lesson

How long is this lesson?

It runs 12 min. Inside: 1 video, downloadable notes and a certificate of completion.

Who teaches this lesson?

Corey Noles. Corey co-hosts The Neuron’s weekly podcast and is Managing Editor of AI at TechnologyAdvice. He teaches practical AI workflows for real-world work.

Do I get a certificate?

Yes. Finish the lesson and you get a certificate of completion from The Neuron Academy.

Do I need to know how to code?

No, though you'll work hands-on with coding tools. The lesson walks you through them step by step, and like everything in the Academy it assumes no coding background.

How do I get access?

This lesson is included in a The Neuron Academy membership. Start with a 7-day free trial, then choose a monthly or yearly plan. Cancel anytime. New lessons are added every week.

The Neuron Academy

Learn AI the way you read The Neuron: short, practical, no hype.

  • 73 courses and lessons, with new ones every week
  • Guided paths for 5 goals, from first prompt to first agent
  • A certificate for every course you finish
  • No coding or technical background required
Start your 7-day free trial

7 days free, then a monthly or yearly plan. Cancel anytime.

Getting Started with Codex

The Neuron Logo

Don't fall behind on AI. Get the AI trends & tools you need to know. Join 700,000+ professionals from top companies like Microsoft, Apple, Salesforce and more.

Property of TechnologyAdvice. © 2026 TechnologyAdvice. All Rights Reserved

Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.

Stay in the loop

Get notified when we publish new articles.