GitHub Copilot vs OpenAI Codex

A side-by-side comparison to help you choose the right tool.

GitHub Copilot scores higher overall (88/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Free, Pro, Business, and Enterprise plans are available; pricing varies by tier.
Free plan
Yes
Best for
Developers already using GitHub and VS Code, Engineering teams that need admin controls and policy management, Solo developers who want fast autocomplete plus chat in the editor
Platforms
vscode, jetbrains, visual-studio, cli, web, ios, android
API
No
Languages
en
Pricing
Access depends on OpenAI product plan or API usage; advanced agent access is concentrated in higher tiers and previews.
Free plan
Yes
Best for
Developers who want AI to work more directly on real code tasks, Teams exploring terminal-first coding agents, Engineers already invested in OpenAI's ecosystem
Platforms
web, mac, windows, linux, api
API
Yes
Languages
en

Choose GitHub Copilot if:

  • You are Developers already using GitHub and VS Code
  • You are Engineering teams that need admin controls and policy management
  • You are Solo developers who want fast autocomplete plus chat in the editor
  • You want to start free
Read GitHub Copilot review →

Choose OpenAI Codex if:

  • You are Developers who want AI to work more directly on real code tasks
  • You are Teams exploring terminal-first coding agents
  • You are Engineers already invested in OpenAI's ecosystem
  • You want to start free
Read OpenAI Codex review →

FAQ

What is the difference between GitHub Copilot and OpenAI Codex?
GitHub Copilot is github copilot is an ai coding assistant embedded across editors, cli, mobile, and github itself. it is one of the safest default picks for developers who want help without switching tools. OpenAI Codex is openai's coding agent experience for writing, editing, understanding, and operating on codebases with a more agentic workflow.
Which is cheaper, GitHub Copilot or OpenAI Codex?
GitHub Copilot: Free, Pro, Business, and Enterprise plans are available; pricing varies by tier.. OpenAI Codex: Access depends on OpenAI product plan or API usage; advanced agent access is concentrated in higher tiers and previews.. GitHub Copilot has a free plan. OpenAI Codex has a free plan.
Who is GitHub Copilot best for?
GitHub Copilot is best for Developers already using GitHub and VS Code, Engineering teams that need admin controls and policy management, Solo developers who want fast autocomplete plus chat in the editor.
Who is OpenAI Codex best for?
OpenAI Codex is best for Developers who want AI to work more directly on real code tasks, Teams exploring terminal-first coding agents, Engineers already invested in OpenAI's ecosystem.