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GPT-5.4-Cyber

GPT-5.4-Cyber is an AI model made by OpenAI. OpenAI released it on 14 April 2026. OpenAI retired it on 1 October 2026.

In inglese

OpenAI

Released
14 April 2026 — openai.com, read 16 October 2026
Status
Not confirmed: two readings disagree: retired and preview
Takes
Not confirmed: The official pages reviewed do not specify the model's input modalities.
Returns
Not confirmed: The official pages reviewed do not specify the model's output modalities.
Open weights
Not confirmed: The official pages reviewed do not state whether this model's weights are open.
Licence
Not confirmed: The official pages reviewed do not name a licence for this model.
Context window
Not confirmed: The official pages reviewed do not print a context-window value for GPT-5.4-Cyber.
Longest answer
Not confirmed: The official pages reviewed do not print a standard maximum-output limit for GPT-5.4-Cyber.
Knowledge cutoff
Not confirmed: The official pages reviewed do not state a knowledge-cutoff date for GPT-5.4-Cyber.
API price, input
Not confirmed: The official pages reviewed do not list a standard API input price for GPT-5.4-Cyber.
API price, output
Not confirmed: The official pages reviewed do not list a standard API output price for GPT-5.4-Cyber.
Where
API — developers.openai.com, read 16 October 2026
Parameters
Not confirmed: The official pages reviewed do not publish a parameter count for GPT-5.4-Cyber.
Model card
Not confirmed: The official pages reviewed do not provide a GPT-5.4-Cyber model card.

Questions

When was GPT-5.4-Cyber released?

OpenAI released GPT-5.4-Cyber on 14 April 2026.

More from OpenAI

Sources

  1. Trusted access for the next era of cyber defense (read 16 October 2026)
  2. Deprecations (read 16 October 2026)

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