予定確度 80%OpenAI's[1][2] own deprecation page, announced 2026-09-11, gives the shutdown date as 1 October 2026. A shutdown date is the vendor's commitment to developers and is occasionally pushed back, never brought forward.
OpenAI switches off GPT-5.4-Cyber on 1 October 2026; requests to them stop working and callers have to move to the named replacements. Going: gpt-5.4-cyber.
予定確度 80%OpenAI's[1][2] own deprecation page, announced 2026-04-22, gives the shutdown date as 23 October 2026. A shutdown date is the vendor's commitment to developers and is occasionally pushed back, never brought forward.
OpenAI switches off 17 models and endpoints on 23 October 2026; requests to them stop working and callers have to move to the named replacements. Going: gpt-3.5-turbo-0125, gpt-4-0613, gpt-4-1106-preview, gpt-4-turbo, gpt-4.1-nano, gpt-4o-2024-05-13, gpt-image-1, o1-2024-12-17, o1-pro-2025-03-19, o3-mini-2025-01-31, ft-o4-mini-2025-04-16, o4-mini-2025-04-16 and 5 more.
予定確度 80%OpenAI's[1][2] own deprecation page, announced 2026-06-03, gives the shutdown date as 30 November 2026. A shutdown date is the vendor's commitment to developers and is occasionally pushed back, never brought forward.
OpenAI switches off Reusable prompts on 30 November 2026; requests to them stop working and callers have to move to the named replacements.
予定確度 80%OpenAI's[1][2] own deprecation page, announced 2026-06-03, gives the shutdown date as 30 November 2026. A shutdown date is the vendor's commitment to developers and is occasionally pushed back, never brought forward.
OpenAI switches off Agent Builder on 30 November 2026; requests to them stop working and callers have to move to the named replacements.
予定確度 80%OpenAI's[1][2] own deprecation page, announced 2026-06-11, gives the shutdown date as 11 December 2026. A shutdown date is the vendor's commitment to developers and is occasionally pushed back, never brought forward.
OpenAI switches off 6 models and endpoints on 11 December 2026; requests to them stop working and callers have to move to the named replacements. Going: gpt-5-2025-08-07, gpt-5-mini-2025-08-07, gpt-5-nano-2025-08-07, gpt-5-pro-2025-10-06, o3-2025-04-16, o3-pro-2025-06-10.
予定確度 80%OpenAI's[1][2] own deprecation page, announced 2026-07-20, gives the shutdown date as 20 January 2027. A shutdown date is the vendor's commitment to developers and is occasionally pushed back, never brought forward.
OpenAI switches off 9 models and endpoints on 20 January 2027; requests to them stop working and callers have to move to the named replacements. Going: gpt-realtime, gpt-audio, gpt-4o-audio, gpt-4o-realtime, gpt-realtime-mini, gpt-audio-mini, gpt-4o-mini-realtime, gpt-4o-mini-audio, gpt-4o-mini-transcribe-2025-03-20.