OpenAI · Model retirement
gpt-4-turbo-preview
Stopped working
Calls to the model gpt-4-turbo-preview on OpenAI stopped working on March 26, 2026.
What to use instead of gpt-4-turbo-preview
Move to gpt-5.6-sol. gpt-5, named first, stops working on 2026-12-11. gpt-4.1, named first, stops working on 2027-01-14.
Facts
- API
- OpenAI
api.openai.com - Model
gpt-4-turbo-preview- Kind
- Model retirement
- Takes effect
- March 26, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
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