On April 14, 2026, OpenAI announced GPT-5.4-Cyber, a model built for digital defenders, and detailed a three‑pillar strategy to safeguard generative AI against cyber threats. The rollout follows Anthropic’s private release of Claude Mythos Preview, which the company warned could be weaponized by hackers. OpenAI says its existing safeguards already reduce risk sufficiently and outlines new controls—including a "know your customer" access system, iterative deployment, and expanded security investments—to protect current and future AI capabilities. Read more →