# grok-3 — AI model deprecation and retirement dates by provider For grok-3, provider is Microsoft Azure / Foundry; lifecycle status is Retired; shutdown / retirement date is 2026-05-01; recommended replacement is grok-4; platform / deployment scope is Azure / Microsoft Foundry, recorded from its source on 2026-08-12. - **Provider:** Microsoft Azure / Foundry - **Model ID / API name:** grok-3 _(verified: appears in the quote below)_ - **Human-readable model name:** grok-3 _(verified: appears in the quote below)_ - **Lifecycle status:** Retired _(verified: appears in the quote below)_ - **Shutdown / retirement date:** 2026-05-01 _(verified: appears in the quote below)_ - **Recommended replacement:** grok-4 _(verified: appears in the quote below)_ - **Platform / deployment scope:** Azure / Microsoft Foundry _(our reading, not quoted from the source)_ ## What the source says > grok-3 | 1 | Retired | 2026-05-01 | grok-4 | ## 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/).