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Codex vs GitHub Copilot
A factual side-by-side comparison of Codex and GitHub Copilot. We compare pricing, categories, free tiers and official websites — no invented scores.
Updated 2026-10-22
Quick take
Both Codex and GitHub Copilot are Freemium. Pick the one whose tagline and categories match your use case, then check the alternatives below.
| Pricing | Freemium | Freemium |
|---|---|---|
| Categories | Coding / AI Agents / AI APIs | Coding |
| Best for | Codex — AI Coding and code generation | The world's most-used AI coding copilot |
| Free tier | Yes — free or freemium | Yes — free or freemium |
| Website | chatgpt.com | github.com |