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Azure AI Foundry gpt-5.4 model retirement

Stops workingin 308 days

Calls to the model gpt-5.4 on Azure AI Foundry stop working on September 2, 2027.

Facts

API
Azure AI Foundry *.services.ai.azure.com
Model
gpt-5.4
Kind
Model retirement
Takes effect
September 2, 2027
Calls after that day
Fail
Source
Deprecations page
Last updated
Verified
, against Azure AI Foundry's own pages

Questions

When does gpt-5.4 shut down?

Calls to the model gpt-5.4 on Azure AI Foundry stop working on September 2, 2027.

What happens to calls after September 2, 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 September 2, 2027.

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