OpenAI · Model retirement
gpt-4-turbo
Stops working (tomorrow)
Calls to the model gpt-4-turbo on OpenAI stop working on October 23, 2026.
What to use instead of gpt-4-turbo
Move to gpt-5.6-sol, recommended by OpenAI.
Facts
- API
- OpenAI
api.openai.com - Model
gpt-4-turbo- Kind
- Model retirement
- Takes effect
- October 23, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
gpt-4-turbo on other APIs
- Azure OpenAI Deprecated, no date
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- ft-gpt-4.1-nano-2025-04-14 Stops working