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OpenAI Codex vs Claude Code
OpenAI Codex scores higher overall (8.7 vs 8.5), but the right pick depends on what you need.
Choose OpenAI Codex if…
Developers who want parallel, asynchronous tasks and pull requests back, bundled with ChatGPT
8.7/10★★★★★Full review →Choose Claude Code if…
Engineers who hand off large multi-file tasks and long autonomous runs
8.5/10★★★★★Full review →Side by side
| OpenAI Codex | Claude Code | |
|---|---|---|
| Overall score | 8.7/10 | 8.5/10 |
| Rank in category | #1 of 13 | #3 of 13 |
| Price | Freemium · from $8/month | Paid · from $20/month |
| Free version | Quick coding tasks on ChatGPT Free | — |
| Platforms | Web, iOS, VS Code, Terminal, Desktop app | Web, iOS, VS Code, JetBrains, Terminal, Desktop app |
| Made by | OpenAI | Anthropic |
| Code quality | 9 | 9.5 |
| Ease of use | 8 | 7.5 |
| Features | 8.5 | 8.5 |
| Value for money | 9 | 7.5 |
| Platforms | 9 | 9 |
OpenAI Codex: what the AI does
- Cloud agent in sandboxed machines that delivers pull requests
- Open-source Codex CLI
- IDE extension and desktop app with multi-agent management
- Automatic GitHub code review
- Subagents, skills, hooks and MCP
- Codex Security vulnerability agent
- Top CLI agent on Terminal-Bench 2.0
- Low entry price, with free and $8 tiers
- Many surfaces: web, CLI, IDE, desktop, iOS
- Open-source CLI
- Async cloud tasks add latency for quick edits
- Only OpenAI models
- Free and Go tiers get a lighter model
Claude Code: what the AI does
- Autonomous multi-file edits with command and test execution
- Very large context window
- Skills, hooks, subagents and an Agent SDK
- MCP integrations
- GitHub Actions, GitLab CI and Slack
- Code review for pull requests
- Top-tier output quality on independent benchmarks
- Fastest-growing adoption in 2026 developer surveys
- Highly extensible (skills, hooks, SDK, CI)
- Runs in the terminal, IDEs, desktop and web
- No free tier
- Only Claude models
- Heavy use pushes you onto $100+ plans or API billing