OpenAI has announced the launch of GPT-5.5-Cyber, a new AI model focused on bolstering cybersecurity defenses. The rollout, set to begin in the coming days, will initially provide access to critical cyber defense groups, including those safeguarding essential infrastructure like energy grids and financial networks. This strategic release aims to maximize the model's impact while ensuring responsible use. In collaboration with government agencies, OpenAI plans to establish trusted access frameworks to secure the deployment of GPT-5.5-Cyber. This partnership is expected to enhance the protection of companies and infrastructure against sophisticated cyber threats. The introduction of this AI model marks a significant advancement in digital defense, potentially transforming how organizations detect and respond to cyberattacks in real time.