Reference Source

gpt-5.4-cyber — Deprecated — shutdown Oct 1, 2026

For gpt-5.4-cyber, provider is OpenAI; lifecycle status is Deprecated; deprecation announced is 2026-09-11; shutdown / retirement date is Oct 1, 2026; recommended replacement is gpt-5.6-cyber, recorded from its source on 2026-09-14.

Provider
OpenAI our reading
Model ID / API name
gpt-5.4-cyber verified
Lifecycle status
Deprecated verified
Deprecation announced
2026-09-11 verified
Shutdown / retirement date
Oct 1, 2026 verified
Recommended replacement
gpt-5.6-cyber verified
Sourceplatform.openai.com
Verified
Review by
DatasetAI model deprecation and retirement dates by provider

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

The gpt-5.4-cyber model is deprecated and will be removed from the API on October 1, 2026. Migrate to gpt-5.6-cyber before the shutdown date. Shutdown date | Model / system | Recommended replacement | Oct 1, 2026 | gpt-5.4-cyber | gpt-5.6-cyber |

— platform.openai.com, retrieved 2026-09-14

Where each value comes from

The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.

Deprecation announced

2026-09-11: GPT-5.4-Cyber

— all from platform.openai.com, retrieved 2026-09-14

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.

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