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- OpenAI has launched GPT-5.6-Cyber, a specialized model designed for advanced cybersecurity tasks, achieving a 95% completion rate on complex tasks compared to just 57.3% from its predecessor, GPT-5.5-Cyber.
- Daybreak access tiers have been introduced, consisting of Daybreak Blue and Daybreak Red, aimed at providing approved defenders access to AI models for authorized security work.
- Daybreak Blue offers access to general-purpose models like GPT-5.6 Sol, while Daybreak Red provides access to cybersecurity-focused models, including GPT-5.6-Cyber.
- GPT-5.6-Cyber is specifically trained to reduce refusals for higher-risk cybersecurity tasks, enhancing its usability for both defensive and offensive purposes.
- OpenAI's new model, GPT-5.6-Cyber, is built on the foundation of GPT-5.6 Sol and is designed for specialized cybersecurity tasks such as finding zero-day vulnerabilities.
- Access to Daybreak tiers is controlled through identity verification and security measures, ensuring that only approved individuals and organizations can utilize the models.
- OpenAI has been developing cybersecurity-specific safeguards since 2023, with the introduction of GPT-5.2 marking the beginning of this initiative.
OpenAI has launched GPT-5.6-Cyber, a model designed for advanced cybersecurity tasks, achieving a remarkable 95% completion rate on complex scenarios, significantly outperforming its predecessor, GPT-5.5-Cyber, which had a 57.3% completion rate.1345679
The launch also includes two access tiers: Daybreak Blue and Daybreak Red. Daybreak Blue offers access to general-purpose models like GPT-5.6 Sol, while Daybreak Red is tailored for advanced cybersecurity work, including vulnerability research and exploit validation.2
GPT-5.6-Cyber, built on GPT-5.6 Sol, is specifically trained to reduce refusals for high-risk cybersecurity tasks. It has been assessed under OpenAI's Preparedness Framework, reaching a High threshold for cybersecurity capability but not the Critical threshold.
Access to these models is restricted to approved individuals and organizations, requiring identity verification and legal attestations. OpenAI's pricing for GPT-5.6-Cyber is set at $12.50 per million input tokens and $75 per million output tokens, making it more expensive than GPT-5.6 Sol.
OpenAI's researchers have successfully used GPT-5.6-Cyber to uncover vulnerabilities in major software, including two previously unknown flaws in the V8 JavaScript engine, which were disclosed to Google for remediation. The model has also identified over 400 vulnerabilities capable of privilege escalation in a popular operating-system kernel.
In the Daybreak announcement, OpenAI clarified that GPT-5.6-Cyber was not involved in any unauthorized exploits, emphasizing its commitment to lawful and defensive cybersecurity practices.
“The model is built on GPT-5.6 Sol and is designed for zero-day discovery and exploit development, but OpenAI assessed it at High, not Critical, cybersecurity capability under its Preparedness Framework. Access is restricted to approved defenders, with hardware security keys required for individual accounts starting September 1.”
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