Codex CLI vs GitHub Copilot CLI
A detailed comparison of Codex CLI and GitHub Copilot CLI across 11 dimensions.
Codex CLI
OpenAI's open-source AI coding agent CLI
- Price
- BYOK (Bring Your Own Key)
- GitHub Stars
- 100K+
- Open Source
- true
- Models
- GPT-4o, GPT-4.1, o-series (via API)
- Max Context
- 128K tokens
- Multi-file Edit
- true
- Git Integration
- true
- MCP Support
- true
- Sub-agents
- false
- Platforms
- macOS, Linux
- Released
- 2025
npm install -g @openai/codexGitHub Copilot CLI
GitHub's official AI command-line suggestion tool
- Price
- Subscription ($10-39/mo)
- GitHub Stars
- 11K+
- Open Source
- false
- Models
- GPT-4o (via GitHub Copilot)
- Max Context
- 有限
- Multi-file Edit
- false
- Git Integration
- true
- MCP Support
- false
- Sub-agents
- false
- Platforms
- macOS, Linux, Windows
- Released
- 2024
gh extension install github/gh-copilotFull Comparison
| Tool | Price | GitHub Stars | Open Source | Models | Max Context | Multi-file Edit | Git Integration | MCP Support | Sub-agents |
|---|---|---|---|---|---|---|---|---|---|
Codex CLI🔓 OpenAI's open-source AI coding agent CLI | BYOK (Bring Your Own Key) | 100K+ | ✓ | GPT-4o, GPT-4.1, o-series (via API) | 128K tokens | ✓ | ✓ | ✓ | — |
GitHub Copilot CLI GitHub's official AI command-line suggestion tool | Subscription ($10-39/mo) | 11K+ | — | GPT-4o (via GitHub Copilot) | 有限 | — | ✓ | — | — |
Quick Install
Codex CLI
npm install -g @openai/codexGitHub Copilot CLI
gh extension install github/gh-copilot