GPT-5.4-Cyber

Cyber-permissive GPT-5.4 variant for vetted defenders

OpenAI's cyber-permissive variant of GPT-5.4, announced on 2026-04-14 for vetted security defenders and fine-tuned for defensive cybersecurity work, including binary reverse engineering.

Pricing

Model profile · Current snapshot

Input / 1M

$0.05

Output / 1M

$0.40

Blended / 1M

$0.138

Output TPS

162

TTFT (s)

46.34

Model Intelligence

Arena ranking

Benchmarkable

Yes

Model level

release

Intelligence Index

25.9

Coding Index

22.9

Math Index

78.3

MMLU Pro

0.77

GPQA

0.67

HLE

0.08

LiveCodeBench

0.76

SciCode

0.34

AIME 2025

0.78

IFBench

0.66

LCR

0.4

TerminalBench Hard

0.17

TAU2

0.3

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