🪦 Dead
GPT-4.5 Preview
Model deprecation · Model Deprecation · shut down July 14, 2025
- Born
- Died
- Lifespan
- 4m 17d
- Cause of death
- Model Deprecation
- Killed by
- OpenAI
- Type
- Model
OpenAI's most expensive model ever at $75 per million input tokens, codenamed 'Orion.' Deprecated just four months after launch — the shortest-lived model in OpenAI's commercial history — as GPT-4.1 offered similar performance at a fraction of the cost.