# model-router — AI model deprecation and retirement dates by provider

For model-router, provider is Microsoft Azure / Foundry; lifecycle status is Preview; shutdown / retirement date is 2026-08-30; platform / deployment scope is Azure / Microsoft Foundry, recorded from its source on 2026-08-12.

- **Provider:** Microsoft Azure / Foundry
- **Model ID / API name:** model-router _(verified: appears in the quote below)_
- **Human-readable model name:** model-router _(verified: appears in the quote below)_
- **Lifecycle status:** Preview _(verified: appears in the quote below)_
- **Shutdown / retirement date:** 2026-08-30 _(verified: appears in the quote below)_
- **Platform / deployment scope:** Azure / Microsoft Foundry _(our reading, not quoted from the source)_

## What the source says

> model-router | 2025-05-19 | Preview | 2026-08-30 |

## Sources disagree

More than one authority states this, and they do not state the same
thing. Both are reproduced with the source each came from.

### Lifecycle status

learn.microsoft.com says lifecycle status is **Preview**, as of 2026-08-12.

> model-router | 2025-05-19 | Preview | 2026-08-30 |

Source: https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule

learn.microsoft.com says lifecycle status is **GA**, as of 2026-08-12.

> GA | — | — | Microsoft Model | Version | Lifecycle | Retirement date | Replacement | model-router | 2025-05-19 | Preview | 2026-08-30 | — | model-router | 2025-08-07 | Preview | 2026-08-30 | — | model-router | 2025-05-19 | Preview | 2026-08-30 | — | model-router | 2025-08-07 | Preview | 2026-08-30 | — | model-router | 2025-11-18 | GA | 2027-05-20 |

Source: https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule


### Shutdown / retirement date

learn.microsoft.com says shutdown / retirement date is **2026-08-30**, as of 2026-08-12.

> model-router | 2025-05-19 | Preview | 2026-08-30 |

Source: https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule

learn.microsoft.com says shutdown / retirement date is **2027-05-20**, as of 2026-08-12.

> GA | — | — | Microsoft Model | Version | Lifecycle | Retirement date | Replacement | model-router | 2025-05-19 | Preview | 2026-08-30 | — | model-router | 2025-08-07 | Preview | 2026-08-30 | — | model-router | 2025-05-19 | Preview | 2026-08-30 | — | model-router | 2025-08-07 | Preview | 2026-08-30 | — | model-router | 2025-11-18 | GA | 2027-05-20 |

Source: https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule


## 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/).