Claude Code vs OpenAI Codex
Which is better in 2026? Five scores, side by side.
It's close: Claude Code edges it 8.8 to 8.7, so the right pick depends on what you need. Claude Code wins on 3 of the 5 scores, OpenAI Codex on 1, with 1 tied.
Developers who want an agent to take on whole features, refactors and bug hunts
ChatGPT subscribers who want a capable coding agent at no extra cost
Score by score
The details
| Feature | Claude Code | OpenAI Codex |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Category rank | #7 of 13 | #8 of 13 |
| Developer | Anthropic | OpenAI |
| Pricing | Subscription | Free + paid plans |
| Usable for free | No | Yes |
| iPhone & iPad | ✓ | ✓ |
| Android | ✓ | ✓ |
| Mac | ✓ | ✓ |
| Windows | ✓ | ✓ |
| Linux | ✓ | ✓ |
| Web | ✓ | ✓ |
Common questions
Is Claude Code better than OpenAI Codex?
It's close: Claude Code edges it 8.8 to 8.7, so the right pick depends on what you need. Claude Code wins on 3 of the 5 scores, OpenAI Codex on 1, with 1 tied.
Which is cheaper, Claude Code or OpenAI Codex?
Claude Code: Needs a paid Claude plan: Pro is $20 a month ($17 billed yearly); Max from $100. OpenAI Codex: Included in every ChatGPT plan, even Free; Plus is $20 a month and Pro from $100. On value for money, OpenAI Codex scores higher.
Do Claude Code and OpenAI Codex work on the same devices?
Yes, both run on Mac, Windows, Linux, Web, iPhone & iPad, Android.
Which is more private, Claude Code or OpenAI Codex?
Claude Code scores higher on privacy (8.0/10). On Pro and Max you choose whether sessions help train Claude; data is kept 5 years if you allow it, 30 days if not. Code sent under Team, Enterprise or API terms isn't used for training.
Strengths and weaknesses
Claude Code
- Handles large, multi-file changes from plain-English requests
- Same agent in terminal, editor, desktop and browser
- Deeply customizable with skills, hooks and MCP
- No free plan; Pro or higher is required
- Multi-agent workflows use up limits quickly
- Works only with Claude models
Claude Code is Anthropic's coding agent. Point it at a project and it reads the codebase, plans changes across files, runs commands and tests, and handles Git, asking before risky steps. It works in your terminal, VS Code, JetBrains, the Claude desktop app and the browser, and you can check on cloud sessions from your phone. Skills, hooks, MCP and subagents make it very customizable. There's no free plan, and multi-agent workflows eat through limits quickly.
Full Claude Code reviewOpenAI Codex
- Included even with a free ChatGPT account
- Open-source CLI under the Apache 2.0 licence
- Runs on Mac, Windows and Linux
- Free and Go plans are meant for light tasks only
- Merged ChatGPT desktop app drew complaints of confusion
- Personal-plan tasks can train models unless you opt out
Codex is OpenAI's coding agent, and it now comes with every ChatGPT plan. Use it in the ChatGPT desktop app, the open-source Codex CLI, your IDE or in the cloud, where it can work on several tasks at once and review pull requests on GitHub. You can keep an eye on sessions from the ChatGPT phone app too. July's merge of the Codex app into ChatGPT confused plenty of people, and personal-plan tasks can train models unless you opt out.
Full OpenAI Codex review
