MODEL RELEASEMULTIreleaseOpenAI

GPT-5.4-Cyber

Cyber-permissive GPT-5.4 variant for defensive cybersecurity workflows.

OpenAI's cyber-permissive variant of GPT-5.4, fine-tuned for defensive cybersecurity work with fewer capability restrictions and expanded access for vetted security users.

Pricing

Official site · Apr 17, 2026, 1:06 PM

Input / 1M

$2.50

Output / 1M

$15.00

Cached input / 1M

$0.25

The official OpenAI API pricing page lists GPT-5.4 at Input $2.50 / 1M tokens, Cached input $0.25 / 1M tokens, and Output $15.00 / 1M tokens. OpenAI's April 14, 2026 cyber-defense announcement describes GPT-5.4-Cyber as a variant of GPT-5.4, but does not publish a separate GPT-5.4-Cyber price.

OpenAI's public materials do not show a separate published price for GPT-5.4-Cyber. OpenAI says GPT-5.4-Cyber is a variant of GPT-5.4 for vetted cyber defenders, and the official OpenAI API pricing page currently lists GPT-5.4 token pricing; no distinct GPT-5.4-Cyber rate is publicly listed.

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Model Intelligence

Benchmarkable

Yes

Model level

release

Recent stories

1 linked story

newsPRIMARY2026-04-14

OpenAI opens GPT-5.4-Cyber to Trusted Access for Cyber tiers

OpenAI expanded Trusted Access for Cyber and added GPT-5.4-Cyber, a fine-tuned variant with fewer restrictions for verified defenders. The rollout shifts advanced defensive workflows into identity-gated tiers instead of a broadly available API.