1# Feature Maturity – Codex1# Feature Maturity

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3Some Codex features ship behind a maturity label so you can understand how reliable each one is, what might change, and what level of support to expect.3Some ChatGPT and Codex features ship behind a maturity label so you can understand how reliable each one is, what might change, and what level of support to expect.

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5| Maturity | What it means | Guidance |5| Maturity | What it means | Guidance |

6| --- | --- | --- |6| ----------------- | ------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------- |

7| Under development | Not ready for use. | Don’t use. |7| Under development | Not ready for use. | Don't use. |

8| Experimental | Unstable and OpenAI may remove or change it. | Use at your own risk. |8| Experimental | Unstable and OpenAI may remove or change it. | Use at your own risk. |

9| Beta | Ready for broad testing; complete in most respects, but some aspects may change based on user feedback. | OK for most evaluation and pilots; expect small changes. |9| Beta | Ready for broad testing; complete in most respects, but some aspects may change based on user feedback. | OK for most evaluation and pilots; expect small changes. |

10| Stable | Fully supported, documented, and ready for broad use; behavior and configuration remain consistent over time. | Safe for production use; removals typically go through a deprecation process. |10| Stable | Fully supported, documented, and ready for broad use; behavior and configuration remain consistent over time. | Safe for production use; removals typically go through a deprecation process. |