Codex (OpenAI)
OpenAI's foundational coding model powering 60% of Cursor usage.
Why choose Codex (OpenAI)
OpenAI's foundational AI coding model powering 60% of Cursor's usage. Trained on billions of lines of code across dozens of languages, it powers code completion, generation, and explanation features in major developer tools.
- Powers leading dev tools
- Fast completions
- Wide language support
- Battle-tested
- Strong accuracy
Where it falls short
- No direct user access
- Requires integration
- Deprecated in favor of GPT models
- Usage-based costs add up
Best for these users
Pricing overview
API access only. Integrated into products like Cursor, GitHub Copilot. Pricing varies by integration.
Check current pricing →Key features
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The verdict
Codex (OpenAI) is a solid choice for software developers who need powers leading dev tools. At paid, it delivers good value. Main caveat: no direct user access. Compare with alternatives before committing.