After dissing Anthropic for limiting Mythos, OpenAI restricts access to Cyber, too | TechCrunch
Sam Altman confirms that OpenAI's new cybersecurity tool, GPT-5.5 Cyber, will be released to selected users, mirroring Anthropic's earlier strategy. The tool aims to assist in penetration testing and vulnerability identification, while OpenAI plans to gradually expand access to legitimate cyber defenders through a verification system.