Is Microsoft Azure AI Foundry o1 deprecated?
Deprecated
Yes. o1 is deprecated and Microsoft Azure AI Foundry shuts it down on 2026-09-16 — in 51 days.
Lifecycle dates
- Status
- Deprecated
- Deprecation announced
- not announced
- Shutdown date
- (in 51 days)
Pricing & context
- Input
- $15.00 / M tokens
- Output
- $60.00 / M tokens
- Context window
- 200K tokens
- Model maker
- OpenAI
Sources
- learn.microsoft.com https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
- prices.azure.com https://prices.azure.com/api/retail/prices?$filter=contains(meterName,'o1%201217')
- 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 o1 deprecated?
- Yes. o1 is deprecated and Microsoft Azure AI Foundry shuts it down on 2026-09-16 — in 51 days.
- When does o1 shut down?
- Microsoft Azure AI Foundry has announced 2026-09-16 as the shutdown date for o1.
- What does o1 cost?
- $15.00 per million input tokens and $60.00 per million output tokens, as last verified on 2026-07-18.
- What can I use instead of o1?
- Active alternatives from Microsoft Azure AI Foundry include o3, o3-pro, Phi-4-mini-instruct.