Devin vs OpenAI Codex
Two of the most-asked-about agents in the coding space. Here's how they actually stack up.
Devin
Autonomous AI software engineer that works on tickets end to end
From $500/mo
Read full review →OpenAI Codex
OpenAI's terminal-based coding agent powered by GPT-5
From $20/mo
Read full review →Side-by-side comparison
| Devin | OpenAI Codex | |
|---|---|---|
| Tagline | Autonomous AI software engineer that works on tickets end to end | OpenAI's terminal-based coding agent powered by GPT-5 |
| Pricing | From $500/mo | From $20/mo |
| Categories | coding, autonomous | coding, cli, autonomous |
| Made by | Cognition | OpenAI |
| Launched | 2024-03 | 2025-04 |
| Platforms | Web, Cloud | macOS, Linux, Windows |
| Status | active | active |
Devin highlights
- + Cloud workspaces with browser, shell, and editor
- + Long-running autonomous task execution
- + Opens pull requests directly to your repo
- + Slack and Linear integrations
- + Memory across sessions for ongoing projects
OpenAI Codex highlights
- + Multi-file edits across your entire local repository
- + GPT-5 and o-series model selection per session
- + Plan-edit-execute loop with step-by-step approval
- + Suggest, auto, and full-auto safety modes
- + Cloud agent runs via chatgpt.com/codex for async tasks
Frequently Asked Questions
Which is better, Devin or OpenAI Codex?
Neither is universally better. Devin (From $500/mo) leans into coding, while OpenAI Codex (From $20/mo) is closer to coding. Pick based on which workflow you actually do every day.
What is the price difference between Devin and OpenAI Codex?
Devin is from $500/mo. OpenAI Codex is from $20/mo. See the pricing row in the comparison table.
Can I use Devin and OpenAI Codex together?
In most cases, yes. They serve overlapping but distinct needs, so running them side by side is common until you decide which fits your workflow.