🪦 Dead
OpenAI GPT-3.5 Turbo
Model deprecation · Model Deprecation · shut down September 1, 2025
- Born
- Died
- Lifespan
- 2y 9m
- Cause of death
- Model Deprecation
- Killed by
- OpenAI
- Type
- Model
The model that started it all — the engine behind the original ChatGPT. After being the world's most-used AI model, it was fully retired as GPT-4o Mini offered better quality at the same price point.