Azure AI Foundry
o1-pro model retirement
Stops workingSubscribe to Azure AI FoundryShare
On November 19, 2026, the model o1-pro version 2025-03-19 will reach its retirement date on Azure AI Foundry. Calls targeting model o1-pro will fail after this day. Microsoft has marked the model lifecycle as deprecated.
What to use instead of o1-pro
Move to gpt-5.6-sol, which Microsoft recommends as the replacement.
In Azure AI Foundry's words
Model: o1-pro; Version: 2025-03-19; Lifecycle: Deprecated; Retirement date: 2026-11-19; Replacement: gpt-5.6-sol
Facts
- API
- Azure AI Foundry
*.services.ai.azure.com - Model
o1-pro- Released
- March 19, 2025 (models.dev)
- Kind
- Model retirement
- Takes effect
- November 19, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Azure AI Foundry's own pages
Questions
When does o1-pro shut down?
Calls to the model o1-pro on Azure AI Foundry stop working on November 19, 2026.
What happens to calls after November 19, 2026?
They fail from that day.
When was o1-pro released?
o1-pro was released on March 19, 2025, according to models.dev.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
o1-pro on other APIs 1
-
OpenAI
o1-proModel retirement Stopped working
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Is your code calling this?
Okapi finds the calls this change hits in your repo and opens the pull request with the fix before November 19, 2026.