GPT-5.4-Cyber

GPT-5.4 fine-tuned for cybersecurity use cases

A cybersecurity-focused fine-tuned release of GPT-5.4 for verified defenders, intended for advanced defensive cybersecurity workflows including reverse engineering, with fewer restrictions in trusted-access tiers.

Pricing

Model profile · Current snapshot

Input / 1M

$2.63

Output / 1M

$15.75

Blended / 1M

$5.91

Output TPS

116

TTFT (s)

0.7

Model Intelligence

Arena ranking

Benchmarkable

Yes

Model level

release

Intelligence Index

27.7

GPQA

0.75

HLE

0.11

SciCode

0.47

IFBench

0.48

LCR

0.47

TerminalBench Hard

0.38

TAU2

0.35

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.