Skip to content
BestAI
Compare tray

Codex vs GitHub Copilot comparison

Compare Codex and GitHub Copilot in Code item by item — price, plans, specs, Korean support, and commercial-use availability. In the table below, use Show differences only to filter to just the differing rows.

Coding agent connected to ChatGPT

OpenAI's coding agent for writing, reviewing, debugging, and automating development work across app, CLI, IDE, and cloud workflows.

Edge vs. similar tools: It connects app, CLI, IDE extension, cloud tasks, and code review in one Codex workflow.

The most widely used AI pair programmer

GitHub's AI coding assistant, integrated into major IDEs to deliver code autocompletion, chat, and agent capabilities. It is the most widely known and adopted AI coding tool.

Edge vs. similar tools: Its strength is seamless integration into existing IDEs like VS Code and JetBrains, with direct ties into the GitHub ecosystem.

Item-by-item comparison

Codex86

Pricing

Free plan
Yes
Cheapest paid
from $8/mo
Plans
5

Specs

Autocomplete
Not supported
Agent mode
Supported
IDE integration
Codex app, CLI, VS Code-compatible IDE extension

Cross-cutting

Korean
Supported
API
Yes
Commercial use
Allowed
GitHub Copilot97

Pricing

Free plan
Yes
Cheapest paid
from $10/mo
Plans
3

Specs

Autocomplete
Supported
Agent mode
Supported
IDE integration
VS Code, Visual Studio, JetBrains, Neovim

Cross-cutting

Korean
Supported
API
No
Commercial use
Allowed

Codex vs GitHub Copilot: which should you choose?

  • Codex and GitHub Copilot can be started for free, so you can see the results first without signing up.
  • GitHub Copilot has the higher popularity score (Codex 86 vs GitHub Copilot 97), so it has stronger public awareness signals in this category.
  • To integrate directly into your service, choose Codex, which provides an API.

Other Code comparisons