OpenAI is rolling out GPT-5.5-Cyber, a model for vetted cyber defenders who want to use the tool for do malware analysis, write proof-of-concepts for bugs and more.
The release comes as safety tests suggests the model is nearly just as powerful as Mythos 👀
www.axios.com/2026/05/07/o...
Recent security testing suggests that GPT-5.5. model is nearly as good at finding and exploiting software bugs as Anthropic's Mythos Preview.
