# gpt-4.5-preview — AI model deprecation and retirement dates by provider

For gpt-4.5-preview, provider is OpenAI; lifecycle status is Retired; deprecation announced is April 14, 2025; shutdown / retirement date is 2025-07-14; recommended replacement is gpt-4.1, recorded from its source on 2026-08-12.

- **Provider:** OpenAI _(verified: appears in the quote below)_
- **Model ID / API name:** gpt-4.5-preview _(verified: appears in the quote below)_
- **Lifecycle status:** Retired
- **Deprecation announced:** April 14, 2025
- **Shutdown / retirement date:** 2025-07-14 _(verified: appears in the quote below)_
- **Recommended replacement:** gpt-4.1 _(verified: appears in the quote below)_

## What the source says

> GPT-4.5-preview On April 14th, 2025, we notified developers that the gpt-4.5-preview model is deprecated and will be removed from the API in the coming months. Shutdown date | Model / system | Recommended replacement | 2025-07-14 | gpt-4.5-preview | gpt-4.1 | 2024-10-02: Assistants API beta v1 In <https://developers.openai.com/api/docs/assistants/whats-new>

## Source

- https://platform.openai.com/docs/deprecations

Last verified: 2026-08-12. Review by: 2026-09-11.
Part of [AI model deprecation and retirement dates by provider](https://referencesource.org/ai-model-deprecation-and-retirement/).