Scaling Trusted Access for Cyber with GPT-5.5 and GPT-5.5-Cyber

Claims

• OpenAI is expanding its Trusted Access for Cyber program to include GPT-5.5 and GPT-5.5-Cyber models.
• The program restricts access to verified security defenders rather than making models publicly available.
• GPT-5.5-Cyber is a specialized model variant targeted specifically at cybersecurity use cases.
• The initiative is framed as protecting critical infrastructure through AI-assisted defensive security work.