Okapi Okapi
Add to GitHub

Azure AI Foundry gpt-5.4-nano model retirement

Stops workingin 327 days

Calls to the model gpt-5.4-nano on Azure AI Foundry stop working on September 21, 2027.

Facts

API
Azure AI Foundry *.services.ai.azure.com
Model
gpt-5.4-nano
Kind
Model retirement
Takes effect
September 21, 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-nano shut down?

Calls to the model gpt-5.4-nano on Azure AI Foundry stop working on September 21, 2027.

What happens to calls after September 21, 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.

gpt-5.4-nano on other APIs 2

  1. OpenAI gpt-5.4-nanoModel retirement Stops workingin 154 days
  2. Lovable AI Gateway openai/gpt-5.4-nanoModel retirement Redirectsin 154 days

More from Azure AI Foundry 10

  1. claude-mythos-5-1Model retirement Stops workingin 307 days
  2. claude-opus-4-8Model retirement Stops workingin 307 days
  3. gpt-5.4Model retirement Stops workingin 308 days
  4. gpt-5.4-proModel retirement Stops workingin 313 days
  5. gpt-image-2.5-flareModel retirement Stops workingin 315 days
  6. gpt-image-2.5-sunburstModel retirement Stops workingin 315 days
  7. cohere-rerank-v4.0-fastModel retirement Stops workingin 319 days
  8. cohere-rerank-v4.0-proModel retirement Stops workingin 319 days
  9. gpt-oss-120bModel retirement Stops workingin 321 days
  10. gpt-5.4-miniModel retirement Stops workingin 327 days

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 21, 2027.

Add to GitHub