Codex CLI vs Aider
Codex CLI is listed under CLI agents, Aider under CLI agents. Shared focus: open-source, terminal. Each name links to the product's own site.
 Codex CLI | ||
|---|---|---|
| Category | CLI agents | CLI agents |
| Pricing | Open source | Open source |
| Public code | Yes | Yes |
| Tags | terminal, openai, open-source, sandbox | terminal, git, pair-programming, open-source |
| Website | github.com | aider.chat |
What Codex CLI does
Open source coding agent from OpenAI that runs in your terminal. It reads and edits files in the chosen directory and runs commands. Approval modes control what it may do without asking.
What Aider does
Open source pair programming tool for the terminal. It edits files in your local git repository, commits each change, and works with models from many providers, including local ones.
Other options
See all CLI agents, or alternatives to Codex CLI and Aider.