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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

GPT-5.6-Cyber is a cybersecurity-focused OpenAI model introduced for trusted defenders through Daybreak Red access. Built on GPT-5.6 Sol, the model is trained to improve performance on advanced security research, vulnerability discovery, exploit validation, and specialized defensive workflows. GPT-5.6-Cyber is intended for authorized users who need deeper support across vulnerability research, security testing, exploit-chain analysis, incident response, malware analysis, secure code review, patch validation, and technical documentation. OpenAI created Daybreak to give approved individuals and organizations access to frontier cyber capabilities while managing the risks of reduced safeguards. Daybreak Blue provides access to frontier general-purpose models with safeguards tailored for defensive security work, while Daybreak Red provides access to cybersecurity-specific models such as GPT-5.6-Cyber. The model is designed to reduce unnecessary refusals that can interrupt legitimate security research while still operating inside a trusted access program. OpenAI reports that GPT-5.6-Cyber improves performance on certain specialized cybersecurity evaluations and has been used to support real-world vulnerability research and coordinated disclosure. Access controls include identity verification, account security, monitoring, legal attestations, approved-use restrictions, and additional requirements such as hardware security keys for individual Daybreak accounts. By combining cyber-specific training, trusted access controls, reduced refusal behavior, vulnerability research capabilities, and safety practices, GPT-5.6-Cyber helps approved defenders conduct advanced security work more effectively.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

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 No 
OpenAI Daybreak No 

Integrations

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 Yes 
OpenAI Daybreak 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 Yes 

Types of Training

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

Types of Training

Training Docs Yes 
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

OpenAI

Founded

2015

Country

United States

Website

openai.com

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