Codex CLI vs GitHub Copilot

Comparing two coding tools models: features, pricing, pros and cons.

	Codex CLI	GitHub Copilot
Provider	OpenAI	GitHub
Pricing	$20–200/mo	$10–39/mo
Quality	9.5/10	8.5/10
Speed	8.2/10	8.5/10
Ease of use	7.5/10	9/10
Value	5/10	7/10
Tasks	Coding	Coding
Pros	+ Terminal-Bench leader + Tied to GPT-5.6	+ Deep GitHub integration + Easy start
Cons	− Less IDE integration than Cursor	− Weaker than specialized agents on large refactors

Codex CLI

OpenAI terminal agent on GPT-5.6 Sol/Terra/Luna. Terminal-Bench 2.1 leader.

AI assistant in the Microsoft/GitHub ecosystem with model choice.