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OpenAI Codex vs Cline
OpenAI Codex scores higher overall (8.7 vs 7.7), 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 Cline if…
Developers who want an open-source, model-agnostic agent and control over their AI spend
7.7/10★★★★★Full review →Side by side
| OpenAI Codex | Cline | |
|---|---|---|
| Overall score | 8.7/10 | 7.7/10 |
| Rank in category | #1 of 13 | #6 of 13 |
| Price | Freemium · from $8/month | Free |
| Free version | Quick coding tasks on ChatGPT Free | The open-source extension, CLI and desktop app are free; you pay only for AI model usage |
| Platforms | Web, iOS, VS Code, Terminal, Desktop app | VS Code, JetBrains, Terminal, Desktop app |
| Made by | OpenAI | Cline Bot Inc. |
| Code quality | 9 | 7.5 |
| Ease of use | 8 | 6.5 |
| Features | 8.5 | 8 |
| Value for money | 9 | 8.5 |
| Platforms | 9 | 8 |
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
Cline: what the AI does
- Plan/Act modes with per-step approval
- Multi-file edits with checkpoints and undo
- Runs terminal commands and reacts to output
- MCP marketplace and plugins
- Works with any model, including local ones
- Free and open source
- No lock-in: any provider or local model
- Transparent, step-by-step approvals
- Runs in the editor, terminal, desktop or CI
- You manage API keys and token spend, which can spike
- Less polished than Cursor's integrated editor
- JetBrains support is an Enterprise feature