Side by side
| Feature | OpenAI Codex | CodeRabbit |
|---|---|---|
| What it does | AI coding agent from OpenAI that handles engineering tasks like bug fixes, refactors, features and code reviews for developers and teams. | AI code review and PR triage tool for development teams, with change explanations and continuous security monitoring. |
| Price from | 71 PLN/mo | 0.40 USD |
| Free plan | no | trial |
| Platforms | web, chrome, api | web, api |
| API | not stated | yes |
OpenAI Codex: key features
- Parallel multi-agent workflows with progress tracking
- Cloud environments for reusable repo setups that keep tasks running
- Automatic pull request reviews with findings and answers to questions
- Plugins to connect Codex to other tools and apps
- Same agent across ChatGPT, IDE extension and CLI, linked to your ChatGPT account
- Refactoring, feature building and test generation
CodeRabbit: key features
- Automatic AI review of every pull request
- One-click suggested fixes
- PR triage ranking work by priority
- Learnings from team feedback and conventions
- Linter and SAST tool integration
- Jira and Linear integrations
FAQ
Is OpenAI Codex or CodeRabbit better?
It depends on the job - compare prices, free plans and features in the table above.
Are OpenAI Codex and CodeRabbit free?
OpenAI Codex: No - according to the vendor, it is paid only. CodeRabbit: There is a free trial. 14-day free trial, no credit card required.