Is Microsoft Azure AI Foundry o4-mini deprecated?

Deprecated

Yes. o4-mini is deprecated and Microsoft Azure AI Foundry shuts it down on 2026-10-16 — in ~3 months.

o4-mini-2025-04-16 last verified

Lifecycle dates

Status
Deprecated
Deprecation announced
not announced
Shutdown date
(in ~3 months)

Pricing & context

Input
$1.10 / M tokens
Output
$4.40 / M tokens
Context window
200K tokens
Model maker
OpenAI

Sources

  • learn.microsoft.com https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
  • prices.azure.com https://prices.azure.com/api/retail/prices?$filter=serviceName eq 'Foundry Models' and contains(meterName,'o4-mini 0416 Inp glbl')
  • azure.microsoft.com https://azure.microsoft.com/en-us/pricing/details/cognitive-services/openai-service/

Verified against the source on . Dataset snapshot . Providers can change a date without notice — the link above is always the final word.

Common questions

Is o4-mini deprecated?
Yes. o4-mini is deprecated and Microsoft Azure AI Foundry shuts it down on 2026-10-16 — in ~3 months.
When does o4-mini shut down?
Microsoft Azure AI Foundry has announced 2026-10-16 as the shutdown date for o4-mini.
What does o4-mini cost?
$1.10 per million input tokens and $4.40 per million output tokens, as last verified on 2026-07-18.
What can I use instead of o4-mini?
Active alternatives from Microsoft Azure AI Foundry include o3, o3-pro, Phi-4-mini-instruct.

All Microsoft Azure AI Foundry models and their end dates →