AI model migration guides — every announced retirement, with what replaces it

54 AI models have a published retirement date ahead of them as of September 12, 2026. 42 have a replacement named by the provider; 12 do not — those are the migrations that need a decision rather than a rename. The next one is Videos API (OpenAI) on 2026-09-24.

Retiring in 2026-09

ModelProviderRetiresDays leftReplacement
Videos APIOpenAI2026-09-2411— not named
sora-2OpenAI2026-09-2411— not named
sora-2-2025-10-06OpenAI2026-09-2411— not named
sora-2-2025-12-08OpenAI2026-09-2411— not named
sora-2-proOpenAI2026-09-2411— not named
sora-2-pro-2025-10-06OpenAI2026-09-2411— not named
babbage-002OpenAI2026-09-2815gpt-5.6-terra
davinci-002OpenAI2026-09-2815gpt-5.6-terra
gpt-3.5-turbo-1106OpenAI2026-09-2815gpt-5.6-terra
gpt-3.5-turbo-instructOpenAI2026-09-2815gpt-5.6-terra

Retiring in 2026-10

ModelProviderRetiresDays leftReplacement
ft-babbage-002OpenAI2026-10-2340gpt-5.6-terra
ft-davinci-002OpenAI2026-10-2340gpt-5.6-terra
ft-gpt-3.5-turboOpenAI2026-10-2340gpt-5.6-terra
ft-gpt-4OpenAI2026-10-2340gpt-5.6-sol
ft-gpt-4.1-nano-2025-04-14OpenAI2026-10-2340gpt-5.6-luna
ft-o4-mini-2025-04-16OpenAI2026-10-2340gpt-5.6-terra
gpt-3.5-turbo-0125OpenAI2026-10-2340gpt-5.6-terra
gpt-4-0613OpenAI2026-10-2340gpt-5.6-sol
gpt-4-turboOpenAI2026-10-2340gpt-5.6-sol
gpt-4.1-nanoOpenAI2026-10-2340gpt-5.6-luna
gpt-4o-2024-05-13OpenAI2026-10-2340gpt-5.6-sol
gpt-image-1OpenAI2026-10-2340gpt-image-2
o1-2024-12-17OpenAI2026-10-2340gpt-5.6-sol
o1-pro-2025-03-19OpenAI2026-10-2340gpt-5.6-sol (reasoning.mode: pro)
o3-mini-2025-01-31OpenAI2026-10-2340gpt-5.6-sol
o4-mini-2025-04-16OpenAI2026-10-2340gpt-5.6-terra

Retiring in 2026-12

ModelProviderRetiresDays leftReplacement
chatgpt-image-latestOpenAI2026-12-0179gpt-image-2
gpt-image-1-miniOpenAI2026-12-0179gpt-image-2
gpt-image-1.5OpenAI2026-12-0179gpt-image-2
gpt-5-2025-08-07OpenAI2026-12-1189gpt-5.6-sol
gpt-5-mini-2025-08-07OpenAI2026-12-1189gpt-5.6-terra
gpt-5-nano-2025-08-07OpenAI2026-12-1189gpt-5.6-luna
gpt-5-pro-2025-10-06OpenAI2026-12-1189gpt-5.6-sol (reasoning.mode: pro)
o3-2025-04-16OpenAI2026-12-1189gpt-5.6-sol
o3-pro-2025-06-10OpenAI2026-12-1189gpt-5.6-sol (reasoning.mode: pro)

Retiring in 2027-01

ModelProviderRetiresDays leftReplacement
gpt-4o-audioOpenAI2027-01-20129gpt-audio-1.5
gpt-4o-mini-audioOpenAI2027-01-20129gpt-audio-1.5
gpt-4o-mini-realtimeOpenAI2027-01-20129gpt-realtime-2.1-mini
gpt-4o-mini-transcribe-2025-03-20OpenAI2027-01-20129gpt-4o-mini-transcribe-2025-12-15
gpt-4o-realtimeOpenAI2027-01-20129gpt-realtime-2.1
gpt-audioOpenAI2027-01-20129gpt-audio-1.5
gpt-audio-miniOpenAI2027-01-20129gpt-audio-1.5
gpt-realtimeOpenAI2027-01-20129gpt-realtime-2.1
gpt-realtime-miniOpenAI2027-01-20129gpt-realtime-2.1-mini

Retiring in 2027-02

ModelProviderRetiresDays leftReplacement
gpt-4o-mini-transcribeOpenAI2027-02-26166gpt-live-transcribe or gpt-transcribe
gpt-4o-transcribeOpenAI2027-02-26166gpt-live-transcribe or gpt-transcribe
gpt-4o-transcribe-diarizeOpenAI2027-02-26166gpt-live-transcribe or gpt-transcribe
whisper-1OpenAI2027-02-26166gpt-live-transcribe or gpt-transcribe

Retiring in 2027-10

ModelProviderRetiresDays leftReplacement
gpt-4oAzure OpenAI2027-10-01383— not named
gpt-4o-miniAzure OpenAI2027-10-01383— not named
gpt-4.1Azure OpenAI2027-10-14396— not named
gpt-4.1-miniAzure OpenAI2027-10-14396— not named
gpt-4.1-nanoAzure OpenAI2027-10-14396— not named
o4-miniAzure OpenAI2027-10-16398— not named

Where do these dates come from?

Each entry is taken from the provider’s own deprecation documentation by an automated weekly job, and every model page links back to its source. Dates that providers revise are picked up on the next run. Nothing here is inferred from announcements or social media — if a provider has not published a date, the model is not listed. The combined calendar view lives on the deprecations page.