OpenAI Codex vs Replit
OpenAI Codex OpenAI
OpenAI’s coding agent, in ChatGPT, a terminal CLI and IDE extensions, that works on tasks in the cloud or locally.
VisitSide by side
| Property | OpenAI Codex | Replit |
|---|---|---|
| Type | Product | Product |
| Category | AI coding tools | AI coding tools |
| Made by | OpenAI | Replit |
| Pricing | Paid | Free plan + paid |
| Open source | Yes | No |
| API | Yes | No |
| Platforms | Terminal, IDE, Web | Web, Mobile |
| Startup | Yes | Yes |
Features
Only OpenAI Codex
- terminal
- autonomous
- mcp
- code review
Both
- coding agent
Only Replit
- app builder
- hosting
- no-code