# gpt-4.1 — AI model deprecation and retirement dates by provider For gpt-4.1, provider is Microsoft Azure / Foundry; lifecycle status is Deprecated; shutdown / retirement date is 2027-04-14; platform / deployment scope is Azure / Microsoft Foundry, recorded from its source on 2026-08-12. - **Provider:** Microsoft Azure / Foundry - **Model ID / API name:** gpt-4.1 _(verified: appears in the quote below)_ - **Human-readable model name:** gpt-4.1 _(verified: appears in the quote below)_ - **Lifecycle status:** Deprecated _(verified: appears in the quote below)_ - **Shutdown / retirement date:** 2027-04-14 _(verified: appears in the quote below)_ - **Platform / deployment scope:** Azure / Microsoft Foundry _(our reading, not quoted from the source)_ ## What the source says > gpt-4.1 | 2025-04-14 | Deprecated | 2027-04-14 | ## 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/).