Devin vs Codex

A side-by-side comparison of Devin and Codex — ratings, pricing, strengths, weaknesses and who each one is best for.

Updated 2026

Criteria	Devin Coding tool	Codex Coding tool
Rating	4.3	4.5
Pricing	Core: from $20/mo Team: from $40/user/mo	Plus: $20/mo Pro: $200/mo
Pros	✓ Autonomous end-to-end dev ✓ Parallel cloud agents ✓ GitHub/Slack integration ✓ Great for eng teams	✓ ChatGPT integration ✓ Parallel cloud tasks ✓ Benchmark-leading ✓ Multi-language
Cons	✗ Complex tasks need supervision ✗ Can get pricey ✗ Occasional rework	✗ Quota limits ✗ Sometimes verbose ✗ Requires subscription
Best for	Automated development, Bug fixing, Migration & refactoring, Engineering teams	Automated development, Task delegation, Code review
Platforms	Web, API	CLI, Web, IDE

Our verdict

Codex edges ahead on our overall rating (4.5 vs 4.3 — a 0.2-point lead), but both are capable choices.

On price, Devin starts at from $20/mo (Core) and Codex starts at $20/mo (Plus).

Choose Devin if you want Bug fixing, Migration & refactoring. Choose Codex if you need Task delegation, Code review.

Read the full Devin review →Read the full Codex review →

This verdict comes from comparing documented fields — rating, price tiers, best-for, platforms — not from running both tools on the same task. The rating is editorial judgement, not user reviews.

FAQ

Is Devin better than Codex?

In our review Devin rates 4.3/5 and Codex rates 4.5/5. Devin is best for Automated development, Bug fixing, while Codex suits Automated development, Task delegation — so the better choice depends on your priorities.

What is the difference between Devin and Codex?

Devin: Cognition's autonomous AI software engineer that handles engineering tasks in parallel. Codex: OpenAI's coding agent (CLI + cloud) with parallel tasks, built on the GPT-5 series.

Which is cheaper, Devin or Codex?

Devin starts at from $20/mo (Core); Codex starts at $20/mo (Plus).