Codex CLI
OpenAI's terminal AI coding agent that reads codebases and executes changes.
About Codex CLI
OpenAI Codex CLI is a terminal-based AI coding agent that reads your codebase, proposes changes, and executes commands. It uses OpenAI's o3 and o4-mini models for reasoning about code in your terminal.
Key Features
💰 Pricing
Free and open source. Uses OpenAI API credits.
Open source, uses your OpenAI API credits
Frequently Asked Questions
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📊 Comparison vs Alternatives
| Feature | ||||
|---|---|---|---|---|
| Pricing | Free | Freemium | Freemium | Freemium |
| Rating | ⭐ 4.3 | ⭐ 4.8 | ⭐ 4.8 | ⭐ 4.6 |
| Free Tier | ✅ | ✅ | ✅ | ✅ |
| Popularity | 70% | 100% | 94% | 92% |
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