OpenAI's GPT-5.5-Cyber matches Anthropic's Mythos on cybersecurity benchmarks but faces no White House restrictions, raising questions about selective AI

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…

Even as Anthropic's Fable remains in limbo, the race to get advanced AI models in the hands of defenders continues to heat up.