OpenAI · Model retirement
gpt-4
Stops working (tomorrow)
On October 23, 2026, the model gpt-4 will be retired. Calls using model gpt-4 will fail after this date. This retirement affects all requests targeting that specific model on api.openai.com.
What to use instead of gpt-4
Move to gpt-5.6-sol, which is recommended by OpenAI.
Facts
- API
- OpenAI
api.openai.com - Model
gpt-4- Kind
- Model retirement
- Takes effect
- October 23, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
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