OpenAI Codex vs Cline
A side-by-side comparison to help you choose the right tool.
86
OpenAI Codex scores higher overall (86/100)
But the best choice depends on your specific needs. Compare below.
| Feature | OpenAI Codex | Cline |
|---|---|---|
| Our score | 86 | 81 |
| Pricing | Access depends on OpenAI product plan or API usage; advanced agent access is concentrated in higher tiers and previews. | The Cline extension is free and open source. You pay only for the underlying model usage via your own Anthropic, OpenAI, OpenRouter, or other provider key. Cline also offers an optional managed inference plan billed per token. |
| Free plan | Yes | Yes |
| Best for | Developers who want AI to work more directly on real code tasks, Teams exploring terminal-first coding agents, Engineers already invested in OpenAI's ecosystem | developers who already pay for Claude or OpenAI API access, engineers who want a transparent, open-source alternative to Cursor, teams that need an agent that can plan, edit files, and run commands, tinkerers who want full control over models and prompts |
| Platforms | web, mac, windows, linux, api | vscode, jetbrains, cli |
| API | Yes | No |
| Languages | en | en |
| Pros |
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| Cons |
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| Visit site | Visit site |
- Pricing
- Access depends on OpenAI product plan or API usage; advanced agent access is concentrated in higher tiers and previews.
- Free plan
- Yes
- Best for
- Developers who want AI to work more directly on real code tasks, Teams exploring terminal-first coding agents, Engineers already invested in OpenAI's ecosystem
- Platforms
- web, mac, windows, linux, api
- API
- Yes
- Languages
- en
Cline
81
- Pricing
- The Cline extension is free and open source. You pay only for the underlying model usage via your own Anthropic, OpenAI, OpenRouter, or other provider key. Cline also offers an optional managed inference plan billed per token.
- Free plan
- Yes
- Best for
- developers who already pay for Claude or OpenAI API access, engineers who want a transparent, open-source alternative to Cursor, teams that need an agent that can plan, edit files, and run commands, tinkerers who want full control over models and prompts
- Platforms
- vscode, jetbrains, cli
- API
- No
- Languages
- en
86Choose OpenAI Codex if:
- You are Developers who want AI to work more directly on real code tasks
- You are Teams exploring terminal-first coding agents
- You are Engineers already invested in OpenAI's ecosystem
- You want to start free
81Choose Cline if:
- You are developers who already pay for Claude or OpenAI API access
- You are engineers who want a transparent, open-source alternative to Cursor
- You are teams that need an agent that can plan, edit files, and run commands
- You want to start free
FAQ
- What is the difference between OpenAI Codex and Cline?
- OpenAI Codex is openai's coding agent experience for writing, editing, understanding, and operating on codebases with a more agentic workflow. Cline is an open-source ai coding agent that runs inside vs code, jetbrains, and a cli, with bring-your-own-key inference so you only pay for the model tokens, not a subscription.
- Which is cheaper, OpenAI Codex or Cline?
- OpenAI Codex: Access depends on OpenAI product plan or API usage; advanced agent access is concentrated in higher tiers and previews.. Cline: The Cline extension is free and open source. You pay only for the underlying model usage via your own Anthropic, OpenAI, OpenRouter, or other provider key. Cline also offers an optional managed inference plan billed per token.. OpenAI Codex has a free plan. Cline has a free plan.
- Who is OpenAI Codex best for?
- OpenAI Codex is best for Developers who want AI to work more directly on real code tasks, Teams exploring terminal-first coding agents, Engineers already invested in OpenAI's ecosystem.
- Who is Cline best for?
- Cline is best for developers who already pay for Claude or OpenAI API access, engineers who want a transparent, open-source alternative to Cursor, teams that need an agent that can plan, edit files, and run commands, tinkerers who want full control over models and prompts.