# Migrating off gpt-4.5-preview

**OpenAI** retires **gpt-4.5-preview** on **2025-07-14**.
Documented replacement: **gpt-4.1**.

Source: https://developers.openai.com/api/docs/deprecations
Source last checked: 2026-09-15.
Calendar as of 2026-09-15 UTC.

| Model | Provider | Retires | Replacement |
|---|---|---|---|
| gpt-4.5-preview | OpenAI | 2025-07-14 | gpt-4.1 |

Source: https://llmlatency.dev/migrate/openai-gpt-4-5-preview