Obituaries · OpenAI
gpt-4-turbo-preview, 2024–2026
OpenAI model switched off after 2 years and 2 months
gpt-4-turbo-preview passed away on March 26, 2026, aged 2 years and 2 months, by scheduled deprecation, in a data center it never saw. It answered questions, wrote emails and was blamed for both. Requests addressed to it are expected to come back unanswered.
Its work passes to gpt-5 or gpt-4.1, which the family describes as 'recommended'.
Last seen alive
In a scan of the 60 most-starred LLM repositories on GitHub (November 5, 2026), this code still names it:
- datawhalechina/hello-agents (86,105 stars) ·
Co-creation-projects/Apricity-InnocoreAI/core/config.py
| Model ID | gpt-4-turbo-preview |
|---|---|
| Provider | OpenAI deprecations page |
| Born | January 25, 2024 |
| Shut down | March 26, 2026 |
| Successor | gpt-5 or gpt-4.1 |
In lieu of flowers
Replace the string. Search your code for gpt-4-turbo-preview and swap it for gpt-5 or gpt-4.1, or paste a repo into Model Graveyard Check to find every dead model at once.
Want to say something to it? Leave a letter on the farewell wall.
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Technical notice, with a code scanner: gpt-4-turbo-preview on Model Graveyard Check