# gpt-5.4-mini — AI model deprecation and retirement dates by provider For gpt-5.4-mini, provider is Microsoft Azure / Foundry; lifecycle status is GA; shutdown / retirement date is 2027-09-21; platform / deployment scope is Azure / Microsoft Foundry, recorded from its source on 2026-08-12. - **Provider:** Microsoft Azure / Foundry - **Model ID / API name:** gpt-5.4-mini _(verified: appears in the quote below)_ - **Human-readable model name:** gpt-5.4-mini _(verified: appears in the quote below)_ - **Lifecycle status:** GA _(verified: appears in the quote below)_ - **Shutdown / retirement date:** 2027-09-21 _(verified: appears in the quote below)_ - **Platform / deployment scope:** Azure / Microsoft Foundry _(our reading, not quoted from the source)_ ## What the source says > GA | 2027-09-02 | — | gpt-5.4-mini | 2026-03-17 | GA | 2027-09-21 | ## Source - https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule Last verified: 2026-08-12. Review by: 2026-09-11. Part of [AI model deprecation and retirement dates by provider](https://referencesource.org/ai-model-deprecation-and-retirement/).