Codex CLI vs. GitHub Copilot CLI

Feature	Codex CLI	GitHub Copilot CLI

Tagline	Lightweight coding agent that runs in your terminal	The power of GitHub Copilot in your terminal
Website	https://openai.com/codex	https://github.com/features/copilot/cli
Language	rust	typescript
Release Date	April 30, 2025	September 24, 2025
Last Updated	June 3, 2026	April 28, 2026
Provider Type	AI Lab	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	deep
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	Yes
Sandbox / Permissions	Yes	No
Image / Multimodal Input	Yes	Yes
Voice Mode	Yes	No
IDE Integration	VS Code, Zed (via ACP)	VS Code, Cursor, Windsurf, JetBrains, Neovim, Visual Studio, Xcode
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	No
Context Window	Model-dependent	Auto-managed
Terminal Bench 2.0	#6 · 82.0% ±2.2 ¹
Supported Models	All frontier GPT, Codex models: GPT-5.5, GPT-5.4, GPT-5.4 pro, GPT-5.3-Codex, optional custom models.	Multi-provider (GitHub-managed) and local models
Pricing Model	Subscription	freemium, usage-based
Free Tier	No	Yes
Price Range	$20-200/mo	Free / $10-39/mo
Source Code Availability	Open Source (Apache-2.0)	Source Available (Proprietary)
Source Code	https://github.com/openai/codex	https://github.com/github/copilot-cli
Development State	active	active