OpenAI · Model retirement
ft-gpt-4
Stops working (tomorrow)
On October 23, 2026, OpenAI will shut down model ft-gpt-4. Calls using model ft-gpt-4 will fail after that day. Any systems making requests with this model must update their integration before the retirement date to avoid service disruptions.
What to use instead of ft-gpt-4
Move to gpt-5.6-sol, recommended by OpenAI.
Facts
- API
- OpenAI
api.openai.com - Model
ft-gpt-4- Kind
- Model retirement
- Takes effect
- October 23, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
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