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Ease of use3Features3Value for money3Performance3Support3Privacy & security3

	OpenAI Codex	GitHub Copilot Best match for you
Your score	7.3	7.5
AppDuo score	7.3	7.5
Ease of use	7.6	8.0
Features	8.5	8.6
Value for money	7.4	7.5
Performance	7.2	7.2
Support	6.5	7.0
Privacy & security	6.8	6.5
Starts at	$8.00/mo	$10.00/mo
Free plan
Free trial	—	—
Web
iOS
Android
Windows
macOS
Linux
Works offline
Public API
Self-hostable
Open source
AI features
Real-time collaboration
End-to-end encryption
Templates
Integrations
Mobile app
Launched	2025	2021
Developer	OpenAI	GitHub (Microsoft)
Best for	ChatGPT Plus or Pro subscribers who want a coding agent without buying a separate service Terminal-oriented developers who want an open-source tool with a default sandbox Teams that want cloud agents, automatic pull request review, SSO and central admin	Developers and teams already on GitHub who want completions, review and agents in one ecosystem. People who work across several IDEs (VS Code, Visual Studio, JetBrains, Xcode, Neovim). Organizations that need central management, policies and AI spending controls.

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