GPT-4.5 Preview

retired Retired

GPT-4.5 Preview is a retired OpenAI LLM API model. and shut down on Jul 14, 2025. Migrate any code that still calls gpt-4.5-preview to openai/gpt-4o.

Recommended action: migrate to openai/gpt-4o.

Lifecycle & specs

Provider
OpenAI
API model ID
gpt-4.5-preview
Status
retired
Released
Feb 27, 2025
Deprecated
Apr 14, 2025
Retirement date
Jul 14, 2025
Replacement
openai/gpt-4o
Context window
128,000 tokens

Source: official OpenAI documentation ↗ · ✓ verified