AI BriefingOpenAI, which criticized Anthropic's restricted release of Mythos, also restricts access to Cyber
Key point
OpenAI is giving priority access to GPT-5.5 Cyber to major cyber defenders.
Details
Sam Altman criticized Anthropic's restricted release of Mythos as "fear-based marketing," but OpenAI applied the same kind of restricted release to its competing tool Cyber.
OpenAI will roll out GPT-5.5 Cyber to major cyber defenders first within the next few days. Applicants for access must submit their credentials and intended use through a form on the website, and OpenAI will review these to grant permissions.
Cyber is introduced as a tool that supports the following tasks:
- Penetration testing
- Vulnerability identification and exploitation
- Malware reverse engineering
OpenAI stated that it will consult with the US government going forward and expand the scope of release by more broadly vetting users who actually hold cybersecurity credentials.
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