OpenAI makes its Mythos rival more widely available to cyber defenders (opens in new tab)

OpenAI is rolling out a more permissible version of GPT-5.5 — aka “Spud” — to vetted cyber defenders, the company said Thursday. Recent security testing suggests that GPT-5.5 model is nearly as good at finding and exploiting software bugs as Anthropic’s Mythos Preview. The capabilities of the new models have sparked an urgent debate in […] The post OpenAI makes its Mythos rival more widely available to cyber defenders appeared first on OODAloop.