gpt-5.4-cyber retirement date and replacement

OpenAI API · Model · retired Oct 1, 2026 (39 days ago)

Dates

Checked Nov 9, 2026 on OpenAI's page

Retired	Oct 1, 2026 (39 days ago)
Announced	Sep 11, 2026
Replacement	The most capable cyber model available to you.
What it is	gpt-5.4-cyber stopped answering on OpenAI API.
Source	developers.openai.com/api/docs/deprecations

Changes

ReplacementUnverified

OpenAI changed the replacement for gpt-5.4-cyber from gpt-5.6-cyber to The most capable cyber model available to you..

Oct 2Source

OpenAI

OpenAI APIAPI

Assistants API

Was switched off on OpenAI API.

retiredAug 26

OpenAI APIModel

sora-2

Stopped answering on OpenAI API.

46 days agoSep 24

OpenAI APIModel

sora-2-2025-10-06

Stopped answering on OpenAI API.

46 days agoSep 24

OpenAI APIModel

sora-2-2025-12-08

Stopped answering on OpenAI API.

46 days agoSep 24

OpenAI APIModel

sora-2-pro

Stopped answering on OpenAI API.

46 days agoSep 24

OpenAI APIModel

sora-2-pro-2025-10-06

Stopped answering on OpenAI API.

46 days agoSep 24

OpenAI APIAPI

Videos API

Was switched off on OpenAI API.

46 days agoSep 24

OpenAI APIModel

babbage-002

Stopped answering on OpenAI API.

42 days agoSep 28

OpenAI APIModel

davinci-002

Stopped answering on OpenAI API.

42 days agoSep 28

OpenAI APIModel

gpt-3.5-turbo-1106

Stopped answering on OpenAI API.

42 days agoSep 28

OpenAI APIModel

gpt-3.5-turbo-instruct

Stopped answering on OpenAI API.

42 days agoSep 28

OpenAI APIModel

ft-babbage-002

Stopped answering on OpenAI API.

17 days agoOct 23

Dates

Changes

OpenAI changed the replacement for gpt-5.4-cyber from gpt-5.6-cyber to The most capable cyber model available to you..

Around the same time on OpenAI API