AI Foundry Model Availability¶
Azure AI Foundry operations
Track model availability, regional coverage, deployment SKUs, and retirement risk from one searchable dashboard.
Latest Availability Digest
Latest run: Jul 16, 2026. Changes are grouped by model, deployment SKU, and affected regions.
621 more grouped changes available in full change history.
Deprecation & Retirement Notices¶
Retiring Within 30 Days — 1 model version
These models require immediate migration. After the retirement date, API calls will return errors.
| Model | Version | Category | Retirement Date | Status | Replacement |
|---|---|---|---|---|---|
| o3-mini | 2025-01-31 | Text Generation | 2026-08-02 | Retiring Soon | o4-mini |
Upcoming Retirements (31-90 Days) — 6 model versions
Plan and test your migration to the replacement model.
| Model | Version | Category | Retirement Date | Status | Replacement |
|---|---|---|---|---|---|
o1-pro |
2025-03-19 | Text Generation | 2026-09-18 | Retiring | o3-pro |
| gpt-4.1 | 2025-04-14 | Text Generation | 2026-10-14 | Retiring | gpt-5 |
| gpt-4.1-mini | 2025-04-14 | Text Generation | 2026-10-14 | Retiring | gpt-5-mini |
| gpt-4.1-nano | 2025-04-14 | Text Generation | 2026-10-14 | Retiring | gpt-5-nano |
| o3 | 2025-04-16 | Text Generation | 2026-10-16 | Retiring | - |
| o4-mini | 2025-04-16 | Text Generation | 2026-10-16 | Retiring | - |
Already Retired — 10 model versions
These models are no longer available. Migrate to the listed replacement.
| Model | Version | Category | Retirement Date | Status | Replacement |
|---|---|---|---|---|---|
| gpt-5-chat | 2025-08-07 | Text Generation | 2026-03-01 | Retired | gpt-5.2-chat |
| gpt-5-chat | 2025-10-03 | Text Generation | 2026-03-01 | Retired | gpt-5.2-chat |
| gpt-4o | 2024-05-13 | Text Generation | 2026-03-31 | Retired | gpt-5.1 |
| gpt-4o | 2024-08-06 | Text Generation | 2026-03-31 | Retired | gpt-5.1 |
| gpt-4o | 2024-11-20 | Text Generation | 2026-06-05 | Retired | gpt-5.1 |
| gpt-4o-mini | 2024-07-18 | Text Generation | 2026-03-31 | Retired | gpt-4.1-mini |
| o1 | 2024-12-17 | Text Generation | 2026-07-15 | Retired | o3 |
gpt-4o-audio-preview |
2024-12-17 | Audio | 2026-02-02 | Retired | gpt-audio |
gpt-4o-realtime-preview |
2024-12-17 | Audio | 2026-02-02 | Retired | gpt-realtime |
dall-e-3 |
3 | Image And Video | 2026-02-18 | Retired | gpt-image-1-mini |
Microsoft Foundry models move through predictable stages so teams can test replacements before old versions stop serving traffic. Use this dashboard for dates and model-level risk, then validate active deployments with the Models API and Azure Service Health.
- Launch GA starts Retirement date is set about 18 months out and exposed by the Models API.
- 12 mo Deprecated Existing subscriptions can continue; new customers cannot access that version.
- 90 d Replacement named Replacement is typically available in Global Standard for evaluation.
- 30 d Provisioned window Provisioned regions get a short manual migration window.
- Retire Traffic stops Requests to the retired version fail. Retirement dates are not extended.
- Preview Not for production Launches with a not-sooner-than retirement date, often around 90 days out.
- 30 d Notice period Customers receive at least 30 days notice before upgrade or retirement.
- Upgrade Force-upgrade or end Preview deployments move to a newer preview or GA model, or retire if no replacement exists.
Deprecating means deprecated; Deprecated means retired.
Adapted from Microsoft Foundry Models lifecycle and support policy. See full retirement details for model-specific dates.
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Last updated: 2026-07-21 10:25 UTC