Azure AI Foundry
gpt-5-codex model retirement
Stops workingSubscribe to Azure AI FoundryShare
Calls to the model gpt-5-codex on Azure AI Foundry stop working on March 17, 2027.
In Azure AI Foundry's words
Model: gpt-5-codex; Version: 2025-09-15; Lifecycle: GA; Retirement date: 2027-03-17; Replacement: —
Facts
- API
- Azure AI Foundry
*.services.ai.azure.com - Model
gpt-5-codex- Released
- September 15, 2025 (models.dev)
- Kind
- Model retirement
- Takes effect
- March 17, 2027
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Azure AI Foundry's own pages
Questions
When does gpt-5-codex shut down?
Calls to the model gpt-5-codex on Azure AI Foundry stop working on March 17, 2027.
What happens to calls after March 17, 2027?
They fail from that day.
When was gpt-5-codex released?
gpt-5-codex was released on September 15, 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.
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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 March 17, 2027.