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features
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Description

GPT-5.4-Cyber is a tailored variant of GPT-5.4, specifically created to enhance defensive cybersecurity operations, which empowers security experts to more adeptly analyze, identify, and address vulnerabilities. This model has been fine-tuned to reduce the restrictions placed on legitimate security tasks, facilitating more in-depth involvement in areas such as vulnerability research, exploit analysis, and secure code assessments that are often limited in standard models. One of its standout features is the ability to perform binary reverse engineering, enabling the examination of compiled applications without needing the source code to uncover potential malware, vulnerabilities, and evaluate the overall strength of systems. Furthermore, it operates within OpenAI’s Trusted Access for Cyber (TAC) initiative, distributing its capabilities through a structured access framework that mandates identity verification and levels of trust, thereby ensuring that only approved defenders, researchers, and organizations are granted access to its most sophisticated functionalities. This approach not only enhances security measures but also fosters a more collaborative environment for cybersecurity professionals.

Description

Hinoki Offensive One (HO1) is a specialized AI model in the field of cybersecurity, tailored for offensive security operations while also facilitating defensive testing and research initiatives. This innovative tool is readily available through a range of developer platforms, such as Claude Code, OpenAI Codex, OpenCode, Visual Studio Code, and Cursor, allowing security experts to seamlessly integrate it into their coding and agent workflows. The official product site highlights its ability to perform multi-step task execution and its assessments against various cybersecurity benchmarks. HO1 is specifically designed for use by security researchers, penetration testers, and defenders who conduct authorized evaluations, vulnerability research, and security testing. Given its offensive features, it emphasizes the necessity of clear authorization, established safeguards, and responsible-use policies during deployment. Additionally, Hinoki provides comparative analyses with other cybersecurity-oriented and general-purpose AI models, aiding technical users in evaluating the model's performance for security-related activities. The emphasis on responsible deployment ensures that ethical considerations remain at the forefront of its usage.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

No images available

Integrations

Claude Code No 
Cursor No 
GPT-5.4 Yes 
GPT-5.5 Yes 
GPT-5.5 Pro Yes 
GPT-5.6 Luna Yes 
GPT-5.6 Sol Yes 
GPT-5.6 Sol Ultrafast Yes 
GPT-5.6 Terra Yes 
GPT-6 Astra Yes 
GPT-6 Luna Yes 
GPT-6 Sol Yes 
GPT-6.1 Sol Yes 
Holo4 Yes 
OpenAI Bel Yes 
OpenAI Codex No 
OpenCode No 
Visual Studio Code No 

Integrations

Claude Code Yes 
Cursor Yes 
GPT-5.4 No 
GPT-5.5 No 
GPT-5.5 Pro No 
GPT-5.6 Luna No 
GPT-5.6 Sol No 
GPT-5.6 Sol Ultrafast No 
GPT-5.6 Terra No 
GPT-6 Astra No 
GPT-6 Luna No 
GPT-6 Sol No 
GPT-6.1 Sol No 
Holo4 No 
OpenAI Bel No 
OpenAI Codex Yes 
OpenCode Yes 
Visual Studio Code Yes 

Pricing Details

Free
Free Trial Yes 
Free Version Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Types of Training

Training Docs No 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

OpenAI

Founded

2015

Country

United States

Website

openai.com/index/scaling-trusted-access-for-cyber-defense/

Vendor Details

Company Name

Hinoki

Founded

2026

Country

United States

Website

hinoki.security/

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