# gpt-3.5-turbo-instruct — AI model deprecation and retirement dates by provider For gpt-3.5-turbo-instruct, provider is OpenAI; lifecycle status is Deprecated; deprecation announced is September 26, 2025; shutdown / retirement date is 2026-09-28; recommended replacement is gpt-5.6-terra, recorded from its source on 2026-08-12. - **Provider:** OpenAI _(verified: appears in the quote below)_ - **Model ID / API name:** gpt-3.5-turbo-instruct _(verified: appears in the quote below)_ - **Lifecycle status:** Deprecated - **Deprecation announced:** September 26, 2025 - **Shutdown / retirement date:** 2026-09-28 _(verified: appears in the quote below)_ - **Recommended replacement:** gpt-5.6-terra _(verified: appears in the quote below)_ ## What the source says > OpenAI models with declining usage over the next six to twelve months. Access to these models will be shut down on the dates below. Shutdown date | Model / system | Recommended replacement | 2026-09-28 | gpt-3.5-turbo-instruct | gpt-5.6-terra | ## 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/).