OpenAI
gpt-5 model retirement
Stops workingSubscribe to OpenAIShare
On December 11, 2026, the model gpt-5 will be shut down. After this date, API calls targeting this model will fail. The change applies to requests referencing model gpt-5 or gpt-5-2025-08-07.
The error you get from December 11, 2026
What OpenAI answers a call to gpt-5 once the model is gone, as recorded from real responses:
{"error":{"message":"The model `gpt-5` has been deprecated, learn more here: https://platform.openai.com/docs/deprecations","type":"invalid_request_error","param":null,"code":"model_not_found"}}What to use instead of gpt-5
Move to the recommended replacement model gpt-5.6-sol.
In OpenAI's words
Shutdown date: Dec 11, 2026; Model / system: gpt-5 | gpt-5-2025-08-07; Recommended replacement: gpt-5.6-sol
Facts
- API
- OpenAI
api.openai.com - Model
gpt-5- Released
- August 7, 2025 (models.dev)
- Kind
- Model retirement
- Takes effect
- December 11, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against OpenAI's own pages
Questions
When does gpt-5 shut down?
Calls to the model gpt-5 on OpenAI stop working on December 11, 2026.
What happens to calls after December 11, 2026?
They fail from that day.
What error does gpt-5 return once it is shut down?
OpenAI answers HTTP 404: "The model `gpt-5` has been deprecated, learn more here: https://platform.openai.com/docs/deprecations". Send another model to fix it.
When was gpt-5 released?
gpt-5 was released on August 7, 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.
gpt-5 on other APIs 2
-
Lovable AI Gateway
openai/gpt-5Model retirement Redirectsin 35 days -
Azure AI Foundry
gpt-5Model retirement Stops workingin 95 days
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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 December 11, 2026.