Model and API retirements

64 within 30 days · 558 firm dates ahead

o4-mini (2025-04-16) retirement date and replacement

Azure OpenAI in Foundry · Model · retires Oct 16, 2027 (in 11 months)

Vendor page

Dates

Checked Nov 9, 2026 on Microsoft's page
RetiresOct 16, 2027 (in 11 months)
ReplacementNone named
Identifiero4-mini
What it iso4-mini (2025-04-16) stops answering on Azure OpenAI in Foundry.
Sourcelearn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirements
Microsoft
Azure OpenAI in FoundryModel

gpt-4o (2024-08-06)

Stops answering on Azure OpenAI in Foundry.

in 11 monthsOct 1, 2027
Azure OpenAI in FoundryModel

gpt-4o-mini (2024-07-18)

Stops answering on Azure OpenAI in Foundry.

in 11 monthsOct 1, 2027
Azure OpenAI in FoundryModel

gpt-4.1 (2025-04-14)

Stops answering on Azure OpenAI in Foundry.

in 11 monthsOct 14, 2027
Azure OpenAI in FoundryModel

gpt-4.1-mini (2025-04-14)

Stops answering on Azure OpenAI in Foundry.

in 11 monthsOct 14, 2027
Azure OpenAI in FoundryModel

gpt-4.1-nano (2025-04-14)

Stops answering on Azure OpenAI in Foundry.

in 11 monthsOct 14, 2027