Azure AI Foundry
gpt-4o model retirement
Stops workingSubscribe to Azure AI FoundryShare
On January 14, 2027, the gpt-4o model will be retired. Calls using model gpt-4o will fail after that day. The deprecation applies to version 2024-05-13.
What to use instead of gpt-4o
Move to gpt-5.1 version 2025-11-13. Note that gpt-5.1 stops working on July 13, 2027.
In Azure AI Foundry's words
Model: gpt-4o; Version: 2024-05-13; Lifecycle: Deprecated; Retirement date: 2027-01-14 2; Replacement: gpt-5.1 (2025-11-13)
Facts
- API
- Azure AI Foundry
*.services.ai.azure.com - Model
gpt-4o- Released
- May 13, 2024 (models.dev)
- Kind
- Model retirement
- Takes effect
- January 14, 2027
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Azure AI Foundry's own pages
Questions
When does gpt-4o shut down?
Calls to the model gpt-4o on Azure AI Foundry stop working on January 14, 2027.
What happens to calls after January 14, 2027?
They fail from that day.
When was gpt-4o released?
gpt-4o was released on May 13, 2024, 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.
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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 January 14, 2027.