GPT-5.5 Cyber tops the CyberGym leaderboard as Anthropic's best models sit offline under a Trump administration export ban.

Amid concerns about AI models’ cybersecurity capabilities, OpenAI revealed an improved version of GPT-5.5-Cyber and its “Patch the Planet” initiative to fix open-source software…

OpenAI is rolling out the full, limited-release version of GPT-5.5-Cyber—a specialized AI model that outperforms its predecessors and Claude Mythos 5 in security benchmarks like…

OpenAI just rolled out the full version of GPT 5.5 Cyber, a specialized AI built for cybersecurity. And they're pretty excited about one thing: it beat Anthropic’s Claude Mythos 5…