Devin vs OpenAI Codex
Which AI tool is better for you?
Overview
Devin and OpenAI Codex are both AI Coding tools, but they take different approaches. Devin: An autonomous AI software engineer that can plan and execute coding tasks. OpenAI Codex: OpenAI's software engineering agent that works on tasks in parallel cloud sandboxes and in your terminal — included with ChatGPT paid plans.
Not every plan here is sold as a flat monthly price — check each official pricing page for current plans. Devin offers a free plan, while OpenAI Codex does not.
Which one fits depends on your workflow and budget. The table below lines up the verified facts, and the interactive comparison lets you put Devin, OpenAI Codex, and any other tool side by side.
Side-by-side comparison
| Devin | OpenAI Codex | |
|---|---|---|
| Starting Price | $20/month | See pricing |
| Free Plan | Yes | No |
| Free Trial | No | No |
| Pricing Type | Freemium | Paid |
| Supported platforms | — | — |
| Web | — | — |
| Mobile | — | — |
| API | — | — |
| Categories | AI Coding | AI Coding |
At a glance
Choose Devin if…
- you want to start on a free plan without paying
Choose OpenAI Codex if…
- its focus matches what you're building — see the overview above
Alternatives worth considering
Other tools in the same category.
GitHub's AI pair programmer for code completion inside your editor.
Best for Autocomplete inside your existing editor
An AI-first code editor built for pair-programming with AI.
Best for AI-first coding as your primary editor
Cloud coding platform with an AI agent that can build and deploy apps.
AI-powered code editor with agentic coding workflows.
Frequently asked questions
Which is cheaper, Devin or OpenAI Codex?
At least one of them doesn't sell a flat monthly plan, so there's no single number to compare — check both official pricing pages.
Do Devin and OpenAI Codex have free plans?
Devin offers a free plan; OpenAI Codex does not.
Do Devin and OpenAI Codex offer free trials?
Neither lists a free trial.
Which is better, Devin or OpenAI Codex?
There's no single answer — it depends on your use case and budget. Compare the verified facts above, then open the interactive comparison to line Devin and OpenAI Codex up with any other tools you're considering.
Can I use Devin and OpenAI Codex together?
Yes — nothing stops you from using both, and many people combine tools for different tasks. Add Devin and OpenAI Codex to the AI stack builder to see what the combination costs per month.
What are alternatives to Devin and OpenAI Codex?
Popular alternatives include GitHub Copilot, Cursor, Replit, Windsurf, Lovable — each has its own detail page on ToolScanner with verified pricing.
Where can I verify current pricing for Devin and OpenAI Codex?
On each official website — providers change prices and plans at any time. ToolScanner shows the monthly-billing price as of our last verification, with the date on each tool's page.