Azure AI Foundry
gpt-5.3-codex model retirement
Stops working
Calls to the model gpt-5.3-codex on Azure AI Foundry stop working on August 24, 2027.
Facts
- API
- Azure AI Foundry
*.services.ai.azure.com - Model
gpt-5.3-codex- Kind
- Model retirement
- Takes effect
- August 24, 2027
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Azure AI Foundry's own pages
Questions
When does gpt-5.3-codex shut down?
Calls to the model gpt-5.3-codex on Azure AI Foundry stop working on August 24, 2027.
What happens to calls after August 24, 2027?
They fail from that day.
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 August 24, 2027.