Takes effect 23 Oct 2026 · published 4 Oct 2026
To improve reliability and make it easier for developers to choose the right models, we are deprecating a set of older OpenAI models. Access to these models will be shut down on the dates below.
Shutdown date
Model snapshot
Substitute model
October 23, 2026
gpt-3.5-turbo-0125 | gpt-3.5-turbo , gpt-3.5-turbo-completions
gpt-5.6-terra
October 23, 2026
gpt-4-0613 | gpt-4 , gpt-4-0613-completions , gpt-4-completions
gpt-5.6-sol
October 23, 2026
gpt-4-1106-preview
gpt-5.6-sol
October 23, 2026
gpt-4-turbo | gpt-4-turbo-2024-04-09 , gpt-4-turbo-completions
gpt-5.6-sol
October 23, 2026
gpt-4.1-nano | gpt-4.1-nano-2025-04-14
gpt-5.6-luna
October 23, 2026
gpt-4o-2024-05-13
gpt-5.6-sol
October 23, 2026
gpt-image-1
gpt-image-2.5-sunburst or gpt-image-2.5-flare
October 23, 2026
o1-2024-12-17 | o1
gpt-5.6-sol
October 23, 2026
o1-pro-2025-03-19 | o1-pro
gpt-5.6-sol ( reasoning.mode: pro )
October 23, 2026
o3-mini-2025-01-31 | o3-mini
gpt-5.6-sol
October 23, 2026
ft-o4-mini-2025-04-16
gpt-
Takes effect 30 Nov 2026 · published 4 Oct 2026
On June 3, 2026, we notified developers using reusable prompts in the dashboard and API that reusable prompt objects are being deprecated.
Date
Update
June 3, 2026
Deprecation announced and prompt creation de-emphasized in the platform.
Nov 30, 2026
The v1/prompts API and reusable prompt objects are scheduled to shut down.
To migrate, move reusable prompt content into your application code. See Migrate from prompt objects .
Takes effect 30 Nov 2026 · published 4 Oct 2026
On June 3, 2026, we notified developers using the Evals platform that the product is being deprecated.
Date
Update
June 3, 2026
Deprecation announced for the Evals platform.
Oct 31, 2026
Existing evals become read-only.
Nov 30, 2026
The Evals dashboard and API are scheduled to shut down.
Graders documented for eval workflows are part of this transition. Fine-tuning-related timelines remain covered in the self-serve fine-tuning section below.
See Moving from OpenAI Evals to Promptfoo for a migration path.
Takes effect 30 Nov 2026 · published 4 Oct 2026
On June 3, 2026, we notified developers using Agent Builder that the product is being deprecated. ChatKit remains available.
Date
Update
June 3, 2026
Deprecation announced for Agent Builder.
Nov 30, 2026
Agent Builder is scheduled to shut down.
See Migrate from Agent Builder to continue with the Agents SDK or ChatGPT Workspace Agents.
Takes effect 1 Dec 2026 · published 4 Oct 2026
On June 2, 2026, we notified developers using older GPT Image models of their deprecation and removal from the API on December 1, 2026.
Shutdown date
Model / system
Recommended replacement
Dec 1, 2026
gpt-image-1-mini
gpt-image-2.5-sunburst or gpt-image-2.5-flare
Dec 1, 2026
gpt-image-1.5
gpt-image-2.5-sunburst or gpt-image-2.5-flare
Dec 1, 2026
chatgpt-image-latest
gpt-image-2.5-sunburst or gpt-image-2.5-flare
Takes effect 11 Dec 2026 · published 4 Oct 2026
On June 11, 2026, we notified developers using older GPT-5 and o3 model snapshots of their deprecation and removal from the API on December 11, 2026.
Shutdown date
Model / system
Recommended replacement
Dec 11, 2026
gpt-5-2025-08-07
gpt-5.6-sol
Dec 11, 2026
gpt-5-mini-2025-08-07
gpt-5.6-terra
Dec 11, 2026
gpt-5-nano-2025-08-07
gpt-5.6-luna
Dec 11, 2026
gpt-5-pro-2025-10-06
gpt-5.6-sol ( reasoning.mode: pro )
Dec 11, 2026
o3-2025-04-16
gpt-5.6-sol
Dec 11, 2026
o3-pro-2025-06-10
gpt-5.6-sol ( reasoning.mode: pro )
Takes effect 6 Jan 2027 · published 4 Oct 2026
The following text-to-speech models are deprecated and will be removed from the API on January 6, 2027, with at least three months’ notice. Migrate to gpt-realtime-2.1-mini before the shutdown date. See the Realtime API guide to plan your migration.
Shutdown date
Model / system
Recommended replacement
Jan 6, 2027
tts-1
gpt-realtime-2.1-mini
Jan 6, 2027
tts-1-hd
gpt-realtime-2.1-mini
Jan 6, 2027
gpt-4o-mini-tts-2025-03-20
gpt-realtime-2.1-mini
Jan 6, 2027
gpt-4o-mini-tts-2025-12-15
gpt-realtime-2.1-mini
OpenAIhighBreaking change Takes effect 6 Jan 2027 · published 4 Oct 2026
On May 7th, 2026, we notified developers using OpenAI’s self-serve fine-tuning platform of updates to availability.
Inference on fine-tuned models will continue to be available until the base models are deprecated.
Date
Update
May 7, 2026
Creating fine-tuning jobs or training is not available to organizations that have not previously run fine-tuning.
July 2, 2026
Creating fine-tuning jobs is no longer available to organizations that have not run inference on a fine-tuned model in the past 60 days.
Jan 6, 2027
Active existing customers will no longer be able to create new fine-tuning jobs on this date. Inference on fine-tuned models will be disabled only when the underlying base model is deprecated.
Past deprecations
Past deprecations are listed below, with the most recent announcements at the top.
Takes effect 20 Jan 2027 · published 4 Oct 2026
On July 20, 2026, we notified developers using legacy audio, realtime, and transcription model families and snapshots of their deprecation and removal from the API on January 20, 2027.
Shutdown date
Model family / snapshot
Recommended replacement
Jan 20, 2027
gpt-realtime
gpt-realtime-2.1
Jan 20, 2027
gpt-audio
gpt-audio-1.5
Jan 20, 2027
gpt-4o-audio
gpt-audio-1.5
Jan 20, 2027
gpt-4o-realtime
gpt-realtime-2.1
Jan 20, 2027
gpt-realtime-mini
gpt-realtime-2.1-mini
Jan 20, 2027
gpt-audio-mini
gpt-audio-1.5
Jan 20, 2027
gpt-4o-mini-realtime
gpt-realtime-2.1-mini
Jan 20, 2027
gpt-4o-mini-audio
gpt-audio-1.5
Jan 20, 2027
gpt-4o-mini-transcribe-2025-03-20
gpt-4o-mini-transcribe-2025-12-15
Takes effect 26 Feb 2027 · published 4 Oct 2026
On August 26, 2026, we notified developers using whisper-1 , gpt-4o-transcribe , gpt-4o-mini-transcribe , and gpt-4o-transcribe-diarize of their deprecation and removal from the API on February 26, 2027.
For information about the recommended replacements, see the transcription guide .
Shutdown date
Model / system
Recommended replacement
Feb 26, 2027
whisper-1
gpt-live-transcribe or gpt-transcribe
Feb 26, 2027
gpt-4o-transcribe
gpt-live-transcribe or gpt-transcribe
Feb 26, 2027
gpt-4o-mini-transcribe
gpt-live-transcribe or gpt-transcribe
Feb 26, 2027
gpt-4o-transcribe-diarize
gpt-live-transcribe or gpt-transcribe
Takes effect 1 Apr 2027 · published 4 Oct 2026
The following models are deprecated and will be removed from the API on April 1, 2027, with six months’ notice. Migrate to the recommended replacements before the shutdown date.
Shutdown date
Model / system
Recommended replacement
Apr 1, 2027
gpt-5.3-codex
gpt-6-sol
Apr 1, 2027
gpt-5.4-nano
gpt-6-luna
Apr 1, 2027
gpt-5.1
gpt-6-sol