Audience

Verified cybersecurity researchers and security teams who want a tool to analyze vulnerabilities and strengthen defensive security workflows

About GPT‑5.4‑Cyber

GPT-5.4-Cyber is a specialized, cyber-permissive variant of GPT-5.4 designed specifically to support defensive cybersecurity workflows, enabling security professionals to analyze, detect, and remediate vulnerabilities more effectively. It is fine-tuned to lower the refusal boundary for legitimate security tasks, allowing deeper engagement with activities such as vulnerability research, exploit analysis, and secure code evaluation that are typically restricted in general-purpose models. A key capability includes binary reverse engineering, which allows the model to analyze compiled software without access to source code to identify malware potential, weaknesses, and overall system robustness. Integrated within OpenAI’s Trusted Access for Cyber (TAC) program, the model is distributed through a tiered access system that requires identity verification and progressive trust levels, ensuring that only vetted defenders, researchers, and organizations can access its most advanced features.

Pricing

Starting Price:
Free
Free Version:
Free Version available.
Free Trial:
Free Trial available.

Integrations

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Company Information

OpenAI
Founded: 2015
United States
openai.com/index/scaling-trusted-access-for-cyber-defense/

Videos and Screen Captures

GPT‑5.4‑Cyber Screenshot 1
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Product Details

Platforms Supported
Cloud
Training
Documentation
Live Online
Videos
Support
Online

GPT‑5.4‑Cyber Frequently Asked Questions

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GPT‑5.4‑Cyber Product Features