GPT-5.5-Cyber Reaches the EU: What It Means (2026)
June 6, 2026
OpenAI is extending GPT-5.5-Cyber to vetted European defenders under its EU Cyber Action Plan. Here's what the cyber-permissive model unlocks and who gets in.
OpenAI is extending GPT-5.5-Cyber to vetted European defenders under its EU Cyber Action Plan. Here's what the cyber-permissive model unlocks and who gets in.
UK AI Security Institute's April 30 GPT-5.5 cyber eval reveals parity with Claude Mythos on expert CTF tasks and the 32-step Last Ones attack range.