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What is OpenAI Daybreak?

OpenAI Daybreak signifies a revolutionary leap forward in artificial intelligence designed specifically for cybersecurity professionals, reflecting OpenAI's vision to reshape both software development and security measures. This initiative prioritizes the need for early risk identification and proactive strategies, promoting a foundational philosophy where resilience is embedded in software architecture from the very beginning. Instead of focusing solely on detecting and rectifying vulnerabilities, Daybreak aims to create systems that are intrinsically resistant to potential threats. By harnessing the power of AI, it equips defenders to adeptly navigate intricate codebases, reveal concealed vulnerabilities, verify solutions, analyze novel systems with greater efficiency, and expedite the shift from identifying threats to implementing effective countermeasures. Acknowledging the risks associated with the misuse of these advanced technologies, Daybreak is committed to ensuring that its enhanced defensive strategies are accompanied by core principles of trustworthiness, verification, appropriate safeguards, and accountability. The collaboration between OpenAI's models, the versatility of Codex as a practical tool, and partnerships with various stakeholders in the cybersecurity domain culminate in a robust defense framework. Furthermore, by empowering users with greater tools and knowledge, Daybreak aspires to elevate the benchmarks of cyber resilience in an increasingly sophisticated digital landscape. This holistic approach not only aims to fortify defenses but also strives to cultivate a culture of cybersecurity awareness and vigilance among developers and organizations alike.

What is GPT-5.5-Cyber?

GPT-5.5-Cyber is an advanced AI model designed for authorized cybersecurity professionals who need stronger support for vulnerability research, codebase analysis, and remediation. The model builds on GPT-5.5’s general-purpose intelligence while adding more capable and permissive behavior for specialized defensive security workflows. It is designed to help reduce unnecessary refusals for verified defenders while still pairing advanced capabilities with verification, monitoring, scoped controls, and review. GPT-5.5-Cyber can sustain deeper analysis across large and complex codebases, making it useful for identifying security-relevant components and tracing how vulnerabilities may be reached. It can also help validate likely issues in controlled environments, develop and test patches, and organize evidence for human security teams. The model is intended to support the full remediation loop, helping defenders move from discovery to validation to fix preparation instead of only producing raw vulnerability findings. In benchmark testing, GPT-5.5-Cyber outperformed GPT-5.5 on CyberGym, ExploitGym, and SEC-bench Pro. These results show improved performance in reproducing known vulnerabilities, reasoning through exploitability, and handling long-horizon vulnerability discovery and proof-of-concept workflows. The model is also being evaluated through complex repositories and real remediation workflows as coordinated disclosures conclude. GPT-5.5-Cyber is positioned as a higher-capability option for defenders whose authorized work requires the most advanced cyber support, while GPT-5.5 with Trusted Access for Cyber and Codex Security remains the recommended starting point for most defenders. GPT-5.5-Cyber helps qualified security teams work faster, validate vulnerabilities more effectively, and support safer remediation across critical software systems.

Media

Media

Integrations Supported

GPT‑6 Cyber
Codex Security
GPT-5.5-Cyber

Integrations Supported

GPT‑6 Cyber
AWS GovCloud
Amazon Bedrock
Amazon Web Services (AWS)
GPT-5.5
GPT-5.6 Luna
GPT-5.6 Sol
GPT-5.6 Sol Ultrafast
GPT-5.6 Terra
GPT-6 Astra
GPT-6 Luna
GPT-6 Sol
GPT-6.1 Terra
GPT-6.2 Astra
GPT-6.2 Sol
Holo4
OpenAI
OpenAI Daybreak

API Availability

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

Pricing not provided
Free Version

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

openai.com/daybreak/

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

openai.com

Categories and Features

AI Cybersecurity

Not specified

AI Security

Not specified

Code Security

Not specified

Categories and Features

AI Cybersecurity

Not specified

AI Models

Not specified

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