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Get Started with Codex

Get Started with Codex is an OpenAI Academy course on using Codex for everyday coding tasks in a real repository, from exploring a codebase to fixing bugs and building features, with a guided hands-on lab.

Open at OpenAI ↗Common questions

Who it suits

  • Software developers and hands-on technical practitioners who work in real codebases but may have no prior Codex experience.
  • People who want to produce a verified code change with the evidence a reviewer needs.

What it covers

  • Giving Codex the right repository context.
  • Defining completion criteria so it stays on task.
  • Verifying code changes.
  • Producing the evidence a reviewer needs to check the change.

Before you start

  • Experience working in repositories with an IDE and version control.
  • Familiarity with shell commands, tests, builds, pull requests and diffs.

Common questions about Get Started with Codex

How long is Get Started with Codex?
OpenAI lists about 80 minutes, at intermediate level, self-paced. OpenAI says progress is saved automatically, so you can leave and pick up where you left off.
What do I need before I start?
Experience working in repositories with an IDE and version control. Familiarity with shell commands, tests, builds, pull requests and diffs.
Who built it?
OpenAI says the course was developed with the teams building its models and products.
Is there a badge?
OpenAI says you earn a course badge by completing the pathway and passing the assessment with a score of at least 80%.

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Where this comes from

Written from OpenAI’s own pages, read on 2026-10-13. Content, prices and availability change, so the provider’s page is the source. We are not affiliated with OpenAI and this is not an endorsement.