Codex CLI vs GitHub Copilot
Codex CLI is listed under CLI agents, GitHub Copilot under Autocomplete. Each name links to the product's own site.
| Category | CLI agents | Autocomplete |
|---|---|---|
| Pricing | Open source | Freemium |
| Public code | Yes | No |
| Tags | terminal, openai, open-source, sandbox | completion, github, chat, agent |
| Website | github.com | github.com |
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 GitHub Copilot does
GitHub's AI coding assistant. It gives inline suggestions, chat and agent features in VS Code, JetBrains IDEs, Visual Studio and other editors. A free plan has monthly limits.
Other options
See all CLI agents, or alternatives to Codex CLI and GitHub Copilot.