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.

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
• Microsoft Foundry Models lifecycle and support policy in Azure Government