Amid Mythos' hyped cybersecurity prowess, researchers find GPT-5.5 is just as good New results suggest Mythos' cyber threat isn't "a breakthrough specific to one model." https://arstechnica.com/ai/2026/05/amid-mythos-hyped-cybersecurity-prowess-researchers-find-gpt-5-5-is-just-as-good/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social