OpenAI · Model retirement
gpt-4.5-preview
Stopped working
Calls to the model gpt-4.5-preview on OpenAI stopped working on July 14, 2025.
What to use instead of gpt-4.5-preview
Move to gpt-6-luna. gpt-4.1, named first, stops working on 2027-01-14.
Facts
- API
- OpenAI
api.openai.com - Model
gpt-4.5-preview- Kind
- Model retirement
- Takes effect
- July 14, 2025
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
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