o1-preview

o1-preview (Azure OpenAI) was shut down on Jul 28, 2025; calls to it fail. Azure OpenAI recommends o1 instead.

Provider

Azure OpenAI

Shutdown

Jul 28, 2025 (already shut down)

Announced

—

Replace with

o1

Provider says

Retired

• Listed on 'Retired Foundry Models'.

Source: https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/retired-models · report a wrong date