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
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
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.

