OpenAI's coding agent across CLI, IDE extension, ChatGPT and cloud, with automatic PR review.
WebsiteProvisional comparison
OpenAI Codex vs OpenCode
Both are provisional S-tier on Terminal Coding Agents. Rankings are never for sale.
Full Terminal Coding Agents tier list
| Field | OpenAI Codex | OpenCode |
|---|---|---|
| Tier | S · provisional | S · provisional |
| Why | Open-source CLI (129k+ stars) plus first-party OpenAI models, included in ChatGPT plans. | The most-starred open-source coding agent in our set (210k+ stars); works with any model. |
| Pricing | included in ChatGPT plans · starts at $20/mo (ChatGPT Plus) | open-source (BYO model) |
| GitHub stars | 129,388 | 213,883 |
| Last push | Oct 15, 2026 | Oct 15, 2026 |
| Last verified | Oct 15, 2026 | Oct 15, 2026 |