# gpt-3.5-turbo-1106 — AI model deprecation and retirement dates by provider For gpt-3.5-turbo-1106, 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-1106 _(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 > 2026-09-28 | gpt-3.5-turbo-1106 | gpt-5.6-terra | 2025-08-20: Assistants API On August 26th, 2025, we notified developers using the Assistants API of its deprecation and removal from the API one year later, on August 26, 2026. When we released the ## 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/).