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gpt-5.5-cyber-preview

OpenAI: retires on 1 Feb 2027 (in 3 months). The recommended replacement is The most capable cyber model available to you..

What to do

Move calls to The most capable cyber model available to you. and test them before 1 Feb 2027, the publisher's announced shutdown date.

Recommended replacementThe most capable cyber model available to you.Check the publisher's current lifecycle record for this replacement before migrating

79 Days until announced shutdown · 1 Feb 2027

Other OpenAI model lifecycles

Lifecycle states, retirement dates and replacements, as the providers publish them
ModelRetiresMove toAnnounced
chatgpt-image-latest retires on 1 Dec 2026 (in 17 days) gpt-image-2.6-sunburst or gpt-image-2.6-flare —
gpt-image-1-mini retires on 1 Dec 2026 (in 17 days) gpt-image-2.6-sunburst or gpt-image-2.6-flare —
gpt-image-1.5 retires on 1 Dec 2026 (in 17 days) gpt-image-2.6-sunburst or gpt-image-2.6-flare —
gpt-image-1.5-2025-12-16 retires on 1 Dec 2026 (in 17 days) gpt-image-2.6-sunburst or gpt-image-2.6-flare —
gpt-5 retires on 11 Dec 2026 (in 27 days) gpt-6.1-sol —
gpt-5-2025-08-07 retires on 11 Dec 2026 (in 27 days) gpt-6.1-sol —
gpt-5-mini retires on 11 Dec 2026 (in 27 days) gpt-6.1-terra —
gpt-5-mini-2025-08-07 retires on 11 Dec 2026 (in 27 days) gpt-6.1-terra —
gpt-5-nano retires on 11 Dec 2026 (in 27 days) gpt-6-luna —
gpt-5-nano-2025-08-07 retires on 11 Dec 2026 (in 27 days) gpt-6-luna —
43 more retiring later and 6 reported shutdown dates passed
gpt-5-pro retires on 11 Dec 2026 (in 27 days) gpt-6.1-sol ( reasoning.mode: pro ) in the Responses API —
gpt-5-pro-2025-10-06 retires on 11 Dec 2026 (in 27 days) gpt-6.1-sol ( reasoning.mode: pro ) in the Responses API —
o3 retires on 11 Dec 2026 (in 27 days) gpt-6.1-sol —
o3-2025-04-16 retires on 11 Dec 2026 (in 27 days) gpt-6.1-sol —
o3-pro retires on 11 Dec 2026 (in 27 days) gpt-6.1-sol ( reasoning.mode: pro ) in the Responses API —
o3-pro-2025-06-10 retires on 11 Dec 2026 (in 27 days) gpt-6.1-sol ( reasoning.mode: pro ) in the Responses API —
gpt-4o-mini-tts retires on 6 Jan 2027 (in 53 days) gpt-realtime-2.1-mini —
gpt-4o-mini-tts-2025-03-20 retires on 6 Jan 2027 (in 53 days) gpt-realtime-2.1-mini —
gpt-4o-mini-tts-2025-12-15 retires on 6 Jan 2027 (in 53 days) gpt-realtime-2.1-mini —
tts-1 retires on 6 Jan 2027 (in 53 days) gpt-realtime-2.1-mini —
tts-1-hd retires on 6 Jan 2027 (in 53 days) gpt-realtime-2.1-mini —
GPT-4.1 retires on 14 Jan 2027 (in 2 months) gpt-6-luna —
GPT-4o retires on 14 Jan 2027 (in 2 months) gpt-6-luna —
gpt-4.1-2025-04-14 retires on 14 Jan 2027 (in 2 months) gpt-6-luna —
gpt-4.1-mini-2025-04-14 retires on 14 Jan 2027 (in 2 months) gpt-6-luna —
gpt-4o-2024-08-06 retires on 14 Jan 2027 (in 2 months) gpt-6-luna —
gpt-4o-2024-11-20 retires on 14 Jan 2027 (in 2 months) gpt-6-luna —
gpt-4o-mini-2024-07-18 retires on 14 Jan 2027 (in 2 months) gpt-6-luna —
gpt-4o-audio retires on 20 Jan 2027 (in 2 months) gpt-audio-1.5 —
gpt-4o-mini-audio retires on 20 Jan 2027 (in 2 months) gpt-audio-1.5 —
gpt-4o-mini-realtime retires on 20 Jan 2027 (in 2 months) gpt-realtime-2.1-mini —
gpt-4o-mini-transcribe-2025-03-20 retires on 20 Jan 2027 (in 2 months) gpt-4o-mini-transcribe-2025-12-15 —
gpt-4o-realtime retires on 20 Jan 2027 (in 2 months) gpt-realtime-2.1 —
gpt-audio retires on 20 Jan 2027 (in 2 months) gpt-audio-1.5 —
gpt-audio-2025-08-28 retires on 20 Jan 2027 (in 2 months) gpt-audio-1.5 —
gpt-audio-mini retires on 20 Jan 2027 (in 2 months) gpt-audio-1.5 —
gpt-audio-mini-2025-12-15 retires on 20 Jan 2027 (in 2 months) gpt-audio-1.5 —
gpt-realtime retires on 20 Jan 2027 (in 2 months) gpt-realtime-2.1 —
gpt-realtime-2025-08-28 retires on 20 Jan 2027 (in 2 months) gpt-realtime-2.1 —
gpt-realtime-mini retires on 20 Jan 2027 (in 2 months) gpt-realtime-2.1-mini —
gpt-realtime-mini-2025-12-15 retires on 20 Jan 2027 (in 2 months) gpt-realtime-2.1-mini —
gpt-image-2 retires on 10 Feb 2027 (in 3 months) gpt-image-2.6-sunburst or gpt-image-2.6-flare —
gpt-image-2-2026-04-21 retires on 10 Feb 2027 (in 3 months) gpt-image-2.6-sunburst or gpt-image-2.6-flare —
gpt-4o-mini-transcribe retires on 26 Feb 2027 (in 3 months) gpt-live-transcribe or gpt-transcribe —
gpt-4o-mini-transcribe-2025-12-15 retires on 26 Feb 2027 (in 3 months) gpt-live-transcribe or gpt-transcribe —
gpt-4o-transcribe retires on 26 Feb 2027 (in 3 months) gpt-live-transcribe or gpt-transcribe —
gpt-4o-transcribe-diarize retires on 26 Feb 2027 (in 3 months) gpt-live-transcribe or gpt-transcribe —
whisper-1 retires on 26 Feb 2027 (in 3 months) gpt-live-transcribe or gpt-transcribe —
gpt-5.1 retires on 1 Apr 2027 (in 5 months) gpt-6-sol —
gpt-5.1-2025-11-13 retires on 1 Apr 2027 (in 5 months) gpt-6-sol —
gpt-5.3-codex retires on 1 Apr 2027 (in 5 months) gpt-6-sol —
gpt-5.4-nano retires on 1 Apr 2027 (in 5 months) gpt-6-luna —
gpt-5.4-nano-2026-03-17 retires on 1 Apr 2027 (in 5 months) gpt-6-luna —
gpt-3.5-turbo-0125 reported shutdown date 23 Oct 2026 has passed; current availability is not verified gpt-5.6-terra —
gpt-3.5-turbo reported shutdown date 23 Oct 2026 has passed; current availability is not verified gpt-5.6-terra —
gpt-3.5-turbo-completions reported shutdown date 23 Oct 2026 has passed; current availability is not verified gpt-5.6-terra —
gpt-4-0613 reported shutdown date 23 Oct 2026 has passed; current availability is not verified gpt-5.6-sol —
gpt-4 reported shutdown date 23 Oct 2026 has passed; current availability is not verified gpt-5.6-sol —
gpt-4-0613-completions reported shutdown date 23 Oct 2026 has passed; current availability is not verified gpt-5.6-sol —

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  1. 8 Nov 2026 · 16:51:37 UTC Announced shutdown date1 Feb 2027
  2. 8 Nov 2026 · 16:51:37 UTC SummaryOpenAI gpt-5.5-cyber-preview retires on 1 Feb 2027. Recommended replacement: The most capable cyber model available to you.. → OpenAI gpt-5.5-cyber-preview: announced retirement on 1 Feb 2027. Recommended replacement: The most capable cyber model available to you..
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 14 Nov 16:40 UTC · 274 of 275 readable · 271 fully read · documentation 469/469 current