OpenAI to roll out GPT-5.5-Cyber with restricted access: Sam Altman

OpenAI is set to launch its latest artificial intelligence model, GPT-5.5-Cyber, aimed at enhancing cybersecurity measures. This initiative will initially be available to a select group of approved users, as announced by CEO Sam Altman. The move signifies OpenAI's strategic entry into high-stakes security applications, reflecting the growing importance of AI in safeguarding digital infrastructures. In a recent post on social media platform X, Altman shared that the rollout is imminent, highlighting the company’s commitment to collaborating with the public and private sectors. "We will work with the entire ecosystem and the government to establish trusted access for cyber," he stated. The goal is to provide rapid support to secure companies and critical infrastructure from potential threats. This development comes in response to Anthropic’s recent release of Claude Mythos Preview, which garnered attention for its ability to autonomously uncover zero-day vulnerabilities in major operating systems and web browsers. Anthropic has limited access to this powerful tool through its Project Glasswing, underscoring the competitive landscape in AI cybersecurity. Although details on GPT-5.5-Cyber remain scarce, it is anticipated to prioritize defensive applications, including vulnerability identification, threat analysis, and incident response support. The notion of “trusted access” indicates that the model will be restricted to vetted organizations initially, contrasting with the broader availability of OpenAI’s consumer products. The timeline for a more extensive rollout remains uncertain. This strategic approach comes as both businesses and governments navigate the complexities of advanced AI systems’ dual-use risks. While tools designed to enhance security can also be misused by malicious actors, firms are adopting phased releases and stringent controls to mitigate potential threats. With cybersecurity increasingly becoming a focal point for AI implementation, organizations are increasingly relying on automated solutions to monitor networks, detect irregularities, and respond to real-time threats. However, security experts are sounding alarms over the rise of AI-enhanced attacks, including advanced phishing schemes and automated vulnerability identification.