OpenAI Codex CLI vs Aider
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| Field | OC OpenAI Codex CLIOpen-source terminal coding agent from OpenAI that plans, edits, and tests repos in a sandbox. | A AiderTerminal pair programmer that edits a git repo and commits the result. |
|---|---|---|
| Fit. | ||
| Platforms | Linux, macOS, Windows | Linux, macOS, Windows |
| Docker | No | No |
| Commercial | yes | yes |
| Catalog. | ||
| Category | Coding agents | Coding agents |
| License | Apache 2.0 | Apache 2.0 |
| Language· | Rust | Python |
| Jobs· | AI coding agent, repo agent, pair programmer | AI coding agent, AI coding agent for Linux, pair programmer |
| Activity. | ||
| Stars· | 123k | 37k |
| Last commit· | Sep 11, 2026 | Sep 5, 2026 |
| Last release· | — | Aug 27, 2026 |
| Links | ProjectGitHubGuide | ProjectGitHubGuide |