> ## Documentation Index
> Fetch the complete documentation index at: https://hobbyist-e43fa225.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Model retirement schedule in Azure Government

> Retirement dates and replacement models for all models available through Microsoft Foundry in Azure Government.

This article lists the retirement schedule for Foundry Models in Azure Government — their current lifecycle stage, retirement date, and suggested replacement. Use it to plan migrations before a model is deprecated or retired. For details on what each lifecycle stage means and how notifications work, see [Microsoft Foundry Models lifecycle and support policy in Azure Government](/models/model-retirements-gov).

## Foundry Models sold by Azure in Azure Government

This section lists the retirement lifecycle for Foundry Models sold by Azure in Azure Government.

### Azure OpenAI

| Model                  | Version    | Lifecycle  | Retirement date | Replacement |
| ---------------------- | ---------- | ---------- | --------------- | ----------- |
| gpt-4.1                | 2025-04-14 | Deprecated | 2027-04-14      | gpt-5.1     |
| gpt-4.1-mini           | 2025-04-14 | Deprecated | 2027-04-14      | —           |
| gpt-4o                 | 2024-11-20 | Deprecated | 2027-04-14      | gpt-4.1     |
| gpt-5.1                | 2025-11-13 | GA         | 2027-05-15      | —           |
| o3-mini                | 2025-01-31 | Deprecated | 2026-10-01      | gpt-5.1     |
| o3-mini                | 2025-01-31 | Deprecated | 2026-10-01      | gpt-5.1     |
| text-embedding-3-large | 1          | GA         | 2027-04-15      | —           |
| text-embedding-3-small | 1          | GA         | 2027-04-15      | —           |
| text-embedding-ada-002 | 2          | GA         | 2027-04-15      | —           |

## Related content

* [Retired Foundry Models](/models/retired-models)
* [Microsoft Foundry Models lifecycle and support policy in Azure Government](/models/model-retirements-gov)