OpenAI's coding agent across CLI, IDE extension, ChatGPT and cloud, with automatic PR review.
WebsiteProvisional comparison
OpenAI Codex vs GitHub Copilot
OpenAI Codex is provisional S-tier and GitHub Copilot is provisional A-tier on Cloud / Async Coding Agents. Rankings are never for sale.
Full Cloud / Async Coding Agents tier list
GitHub's AI coding assistant across editors, the terminal and GitHub, including a coding agent and PR review.
Website| Field | OpenAI Codex | GitHub Copilot |
|---|---|---|
| Tier | S · provisional | A · provisional |
| Why | Cloud tasks with parallel agents and PR review, bundled with ChatGPT plans. | Copilot coding agent turns GitHub issues into PRs natively inside GitHub. |
| Pricing | included in ChatGPT plans · starts at $20/mo (ChatGPT Plus) | freemium · starts at $10/mo (Pro) |
| GitHub stars | 129,388 | — |
| Last push | Oct 15, 2026 | — |
| Last verified | Oct 15, 2026 | Oct 15, 2026 |