DOAClaude Code vs Codex: which one to choose?
We compare Claude Code and Codex on price, devices, difficulty and who each one suits, using the data on their DOA pages.
Claude Code
Anthropic agent that reads the repo, edits files and can open a PR. Works in the terminal, the IDE and the web. Not just autocomplete.
Codex
OpenAI coding agent that reads and changes code on your machine from the terminal, with editor options too. A fit if you already use ChatGPT.
DOA verdict for coding
Claude Code wins, but only just
73.5 Claude Code · 71 Codex / 100
Teams already on Claude. Strong on whole repos.
Why
- DOA score in coding · Claude Code: 93/100 vs 91/100
- Free version · Codex: 22/100 vs 20/100
- Ease of use: tie
- Devices · Claude Code: 4 vs 3
Pick Codex if…
Anyone already on ChatGPT Plus or above. Comes with every ChatGPT plan, free included.
How we decide: this verdict uses a formula of its own for comparisons, different from the DOA score: DOA score in coding (60%), free version (20%), ease of use (10%) and devices (10%). Data from each tool page, reviewed on 9 October 2026. How we calculate the DOA score and the verdict
| Claude Code | Codex | |
|---|---|---|
| Price | Paid Included with Claude Pro, Max and team plans. Not on free chat. | Freemium Included in every ChatGPT plan. On Free and Go, for light tasks. |
| Devices | Windows · Mac · Linux · Browser | Windows · Mac · Linux |
| Level | Some practice needed | Some practice needed |
| What it is for | Coding | Coding |
| DOA score | 81/100 | 79/100 |
| Key features |
|
|
| Pros |
|
|
| Cons |
|
|
On the overall DOA score, Claude Code gets 81/100 and Codex 79/100. It is an indicative rating: try both on a real task before you pay.
Claude Code is a better fit for
- Teams already on Claude
Codex is a better fit for
- Anyone already on ChatGPT Plus or above