← All companiesCOMPANY GUIDE

OpenAI Codex: offers and buying advice

Codex is OpenAI’s coding tool for writing, changing and reviewing software. It works across an app, the terminal and editor integrations, with access tied to your account or API use.

What makes it different?

It connects coding work to OpenAI’s own models and account plans, with interfaces for desktop, terminal and editor use.

Competitors

  • ZCode: A desktop coding environment with connected providers
  • OpenCode: An open-source coding agent with provider choice

Product source checked 2026-09-08.

Full comparison →

Current Sideperk listings

Each listing includes the offer details, eligibility and a link to the provider’s terms.

Related guides

About this profile

Product information and current offers from the official sources linked on this page.

OpenAI Codex official plan and eligibility information ↗

How we check offers · Corrections